Hereditary Motor and Sensory Neuropathy 1D (HMSN 1D)

Another names
Types
Causes
Symptoms
Diagnostic tests
Non-pharmacological treatments (therapies and others)
Drug treatments –
Dietary molecular supplements
Immunity-boosting, regenerative and stem-cell-related drugs
Surgeries
Preventions
When to see doctors
What to eat and what to avoid
Frequently asked questions (FAQs)

Hereditary motor and sensory neuropathy 1D (HMSN 1D) is a rare, inherited nerve disease. It is the same condition as Charcot-Marie-Tooth disease type 1D (CMT1D). In this disease, the long nerves that carry messages to the muscles (motor nerves) and from the skin to the brain (sensory nerves) are slowly damaged. This damage mainly affects the arms and legs, especially the feet and lower legs first. Children, teenagers, or adults may notice weakness in the feet, changes in walking, and loss of feeling in the toes and fingers. NCBI+1

HMSN 1D is a “demyelinating” neuropathy. This means the myelin sheath, which is the fatty insulating layer around the nerves, becomes abnormal or is lost. When myelin is damaged, nerve signals travel more slowly and less strongly. Over time, this can lead to muscle wasting, foot deformities, and difficulty with balance and fine hand work. NCBI+1

HMSN 1D happens because of harmful changes (mutations) in a gene called EGR2 (early growth response 2). This gene helps control the development and function of myelin-making cells in the peripheral nerves. When EGR2 does not work properly, myelin is not formed or kept in a normal way, and the peripheral nerves slowly become sick. MalaCards+1

This condition is usually passed on in an autosomal dominant way. That means a person can develop the disease if they inherit one faulty copy of the gene from either mother or father. Sometimes, the mutation appears for the first time in a child, even when both parents are healthy; this is called a “de novo” mutation. NCBI+1

Another names

Doctors and books may use several different names for this same disorder. All of the names below point to the same or very closely related condition:

Hereditary motor and sensory neuropathy 1D is also called Charcot-Marie-Tooth disease type 1D (CMT1D). “Charcot-Marie-Tooth” is the older name, based on the doctors who first described the disease. “Type 1D” tells us it is in the group of demyelinating CMT type 1 disorders and is linked to the EGR2 gene. NCBI+1

Other common short names are CMT1D, HMSN 1D, HMSN ID, and Charcot-Marie-Tooth neuropathy type 1D. In some medical databases, you may see “Charcot-Marie-Tooth disease, demyelinating, type 1D,” or “Charcot-Marie-Tooth disease type 1 caused by mutation in EGR2.” These names all describe a rare, inherited, demyelinating neuropathy that mainly affects the peripheral nerves of the arms and legs. NCBI+1

Types

HMSN 1D is part of a larger family of diseases called Charcot-Marie-Tooth (CMT) or hereditary motor and sensory neuropathies. CMT is divided into several big types, such as CMT1 (demyelinating), CMT2 (axonal), intermediate CMT, CMT4 (recessive forms), and CMTX (X-linked forms). HMSN 1D belongs to the CMT1 group, which means the main problem is in the myelin sheath around the nerve. MedlinePlus+1

Inside the CMT1 group, doctors list several genetic subtypes: CMT1A, 1B, 1C, 1D, 1E, 1F, and others. These letters show which gene is changed. CMT1D, or HMSN 1D, is the subtype where the EGR2 gene is affected. This gene subtype helps doctors choose the right genetic test and give better advice for the family. NCBI+1

Even inside HMSN 1D itself, people can have different “clinical types” based on when symptoms start and how strong they are. Some have early-onset disease in infancy or childhood with more severe weakness and foot problems. Others have later-onset disease in teenage years or adulthood with milder weakness and slower progression. Doctors sometimes group these as early-onset, childhood-onset, and adult-onset forms of HMSN 1D. MalaCards+1

Causes

Before listing causes, it is important to say that the single true root cause of HMSN 1D is a harmful change in the EGR2 gene. All the “causes” below are different ways of describing that gene problem and the things around it that shape how the disease appears in a person. MalaCards+1

Pathogenic EGR2 gene mutation
The main cause of HMSN 1D is a pathogenic (disease-causing) mutation in the EGR2 gene. This mutation changes the instructions used by nerve-support cells (Schwann cells) to make a normal EGR2 protein. When this protein is faulty, myelin cannot develop or stay healthy, and the peripheral nerves slowly become damaged. MalaCards+1
Missense mutation in the DNA-binding part of EGR2
Many cases of HMSN 1D are due to missense mutations, where one “letter” in the gene code is swapped for another. When this happens in the DNA-binding region of EGR2, the protein cannot properly control other myelin genes. As a result, myelin-forming cells do not work well, and nerve conduction becomes slow. MalaCards+1
Truncating or frameshift EGR2 mutations
Some people have truncating or frameshift mutations that cut the EGR2 protein short. This shortened protein may not work at all or may disturb the normal protein from the other gene copy. This “dominant-negative” effect can strongly disrupt myelin formation and lead to more severe neuropathy. MalaCards+1
Mutations in EGR2 regulatory regions
In some patients, mutations are not in the coding part of EGR2 but in nearby control regions (promoters or enhancers). These changes can alter how much EGR2 protein is made in Schwann cells. Too little or wrongly timed expression of EGR2 can disturb myelin development and lead to HMSN 1D-like disease. ResearchGate+1
Autosomal dominant inheritance from an affected parent
Often, the cause is simply that a child inherits one mutant EGR2 gene from a parent who also has CMT. A single faulty copy is enough to cause disease because it strongly affects myelin-forming cells, even though the other copy is normal. This autosomal dominant pattern explains why the disease can run in families over many generations. NCBI+1
De novo EGR2 mutation in the child
In some cases, neither parent shows signs of CMT, but the child develops HMSN 1D. Here, the cause is a “de novo” mutation, meaning the EGR2 change appears for the first time in the egg or sperm or just after conception. The child can later pass this new mutation on to their own children. SciSpace+1
Parental germline mosaicism
A rarer cause is germline mosaicism, where a parent carries the EGR2 mutation only in some of their egg or sperm cells but not in the rest of their body. The parent may be healthy, but more than one child can still inherit HMSN 1D because some reproductive cells carry the mutation. ResearchGate+1
Combined effect of EGR2 mutation and other myelin genes
The main trigger is EGR2, but other myelin-related genes such as PMP22 or MPZ can act as “modifiers.” A harmless change in one of these genes might make the neuropathy from an EGR2 mutation milder or more severe. The interaction of several genes together can partly explain why some family members are worse than others. Perelman School of Medicine+1
Abnormal Schwann cell development
EGR2 is a master controller for Schwann cell development. When it is faulty, Schwann cells may not fully mature. Immature Schwann cells cannot wrap nerves with normal myelin, so the nerve fibers are poorly protected, and conduction slows. Over years, this developmental problem becomes one cause of chronic nerve damage. Perelman School of Medicine+1
Defective myelin maintenance and repair
Even after nerves are formed, EGR2 continues to help keep myelin healthy. A mutation can weaken long-term repair and maintenance of myelin. Everyday wear and tear on nerves is not fixed properly, so small injuries add up, leading to progressive demyelination and neuropathy. Perelman School of Medicine+1
Secondary axonal degeneration
When myelin is thin or patchy, nerve impulses become weak and slow. Over time, this stress on the nerve fiber (axon) can lead to axonal loss. So, even though the first problem is demyelination, secondary axonal degeneration becomes another internal cause of worsening weakness and sensory loss. SciSpace+1
Extra vulnerability of long nerves
Long nerves to the feet and hands are more vulnerable to problems with myelin and axon health. Because of this length issue, EGR2-related myelin defects hit the feet and lower legs first. This “length-dependent” effect is another reason symptoms begin distally and then climb upward. MedlinePlus+1
Age-related stress on peripheral nerves
With age, all nerves face wear and small injuries. In a person with a faulty EGR2 gene, nerves cannot cope with this stress as well as normal nerves. Age-related nerve stress therefore becomes a contributing factor that makes the genetic damage more visible over time. MedlinePlus
Physical compression or repeated minor injuries
CMT-type nerves are more fragile. Repeated minor trauma, tight shoes, or frequent ankle sprains may not cause the disease by themselves but can worsen symptoms, because already weak myelin and axons are easier to damage. This is why doctors advise careful foot care and avoiding strong nerve compression in people with HMSN. NCBI+1
Co-existing metabolic conditions (for example, diabetes)
If a person with an EGR2 mutation also develops another condition that injures nerves, such as diabetes, vitamin B12 deficiency, or severe kidney disease, this can further damage peripheral nerves. Again, these illnesses do not cause HMSN 1D, but they add extra nerve damage on top of the genetic neuropathy. NCBI+1
Epigenetic changes in myelin genes
Epigenetic changes are chemical marks on DNA that control how genes are read. In some people, epigenetic changes in EGR2 or related myelin genes may worsen or slightly soften the effect of the mutation. This can be considered another layer in the chain of causes that shape how HMSN 1D looks in real life. ScienceDirect+1
Random variation in nerve and myelin repair
Even with the same mutation, people can differ in how well their nerves try to repair themselves. This random biological variation can partly “cause” earlier or later onset and faster or slower progression in HMSN 1D, even inside the same family. MedlinePlus+1
Dominant-negative effect of mutant EGR2
Some mutant EGR2 proteins interfere with the normal EGR2 protein made from the healthy gene copy. This “dominant-negative” behavior is a specific molecular cause of more severe demyelination, because it does not just remove function but actively blocks the normal protein’s work. Perelman School of Medicine+1
Reduced nerve conduction velocity due to thin or absent myelin
In demyelinating CMT1D, the loss or thinning of myelin around nerves directly slows nerve conduction velocity. This is both a cause of weakness and a measurable sign on nerve conduction tests. It is one of the reasons doctors classify this disease as a CMT1 (demyelinating) subtype. SciSpace+1
Toxic stress inside Schwann cells
Some EGR2 mutations may cause misfolded protein to build up inside Schwann cells. Misfolded proteins can trigger cellular stress pathways and even cell death. This toxic stress is another microscopic cause that contributes to the loss of myelin and chronic neuropathy in HMSN 1D. Perelman School of Medicine+1

Symptoms

Changes in walking (gait abnormalities)
One of the earliest signs is a change in the way a person walks. They may trip easily, have a “high-stepping” gait, or find it hard to walk on their heels. These changes happen because the muscles that lift the front of the foot become weak and because sensation in the feet is reduced. MedlinePlus+1
Weakness in the feet and lower legs
The muscles around the ankles and lower legs slowly become weak. Climbing stairs, running, or standing on tiptoes becomes harder over time. This weakness is due to poor nerve supply from damaged motor nerves. MedlinePlus+1
Foot deformities (high arch or hammertoes)
Many people with HMSN 1D develop high-arched feet (pes cavus), flat feet, or curled toes (hammertoes). These deformities develop slowly as muscle balance around the foot changes. They can cause pressure areas, shoe-fitting problems, and calluses. MedlinePlus+1
Foot drop
Foot drop means the front of the foot does not lift well when walking. The person may drag the toes or slap the foot on the ground. This is a common sign in demyelinating CMT1, including HMSN 1D, and is often one reason people see a doctor. SciSpace+1
Muscle wasting (atrophy) in the lower legs
Over time, the muscles in the lower legs shrink and look thin. The legs can take on an “inverted champagne bottle” shape, where the calves are thin and the upper legs are less affected. This wasting reflects long-standing nerve damage. MedlinePlus+1
Reduced sensation in the feet and toes
People often notice numbness, reduced feeling of touch, or reduced ability to sense hot and cold in the feet. They may not feel minor injuries or blisters. This happens because sensory nerve fibers are damaged by the same demyelinating process that affects motor fibers. MedlinePlus+1
Tingling, burning, or neuropathic pain
Some individuals feel tingling (“pins and needles”), burning pain, or sharp shooting pains in the feet or lower legs. This neuropathic pain is due to abnormal firing of damaged sensory nerves. In some people it is mild, while in others it can be distressing. MedlinePlus+1
Poor balance and unsteady walking
Because of weakness and loss of position sense in the feet, balance can be poor, especially in the dark or on uneven ground. People may sway when standing still or fall more easily. Balance problems can increase the risk of ankle sprains and falls. MedlinePlus+1
Reduced or absent ankle reflexes
When a doctor taps the Achilles tendon with a reflex hammer, the usual ankle jerk may be weak or absent. This happens because the reflex arc relies on healthy sensory and motor nerve fibers, which are affected in HMSN 1D. SciSpace+1
Weakness in the hands and fingers
As the disease progresses, the hands can also become weak. People may struggle to button clothes, turn keys, open jars, or write for long periods. This occurs when the neuropathy moves from the legs upward and also affects nerves in the arms and hands. MedlinePlus+1
Numbness or tingling in the hands
Along with weakness, there may be numbness or tingling in the fingers and hands. Fine touch and vibration sense may be reduced. This can make tasks that need good feeling in the fingers, such as sewing or typing, more difficult. MedlinePlus+1
Muscle fatigue and reduced stamina
Many people feel that their legs tire earlier than those of other people. Walking long distances or standing for a long time may be hard. This fatigue reflects both muscle weakness and the extra effort needed to move with abnormal gait and poor balance. NCBI+1
Leg cramps or muscle spasms
Some individuals report leg cramps, especially at night or after activity. These cramps occur because damaged nerves send mixed signals to the muscles. While not dangerous, they can disturb sleep and comfort. NCBI+1
Skeletal changes such as scoliosis
In some cases, especially when onset is early, there can be curvature of the spine (scoliosis) or other posture problems. These changes develop because weak muscles cannot fully support the skeleton over many years. MedlinePlus+1
Rare hearing or vision problems
In a small number of people with CMT, including some with demyelinating types, there may be hearing loss or optic nerve involvement. This is uncommon but important to mention, as it shows that the disease can sometimes extend beyond limb nerves. Regular hearing and vision checks may be advised in certain families. MedlinePlus+1

If you or someone you know has symptoms like these, it is important to see a neurologist rather than trying to self-diagnose. Other diseases can look similar and need different care.

Diagnostic tests

Doctors use a group of tests to confirm HMSN 1D and to rule out other causes of neuropathy. These tests are done by trained health professionals; they are not for self-testing.

Physical examination tests

Full neurological examination
A neurologist checks muscle strength, reflexes, sensation, and coordination. In HMSN 1D, they often find weakness in the feet and hands, reduced ankle reflexes, and decreased sensation in a “stocking-glove” pattern. This basic exam guides which further tests are needed. SciSpace+1
Gait and posture observation
The doctor watches how the person walks, turns, and stands. They look for high-stepping gait, foot drop, and problems with balance. They may also observe how the person gets up from a chair or stands on heels and toes. Gait analysis helps show how much function is affected. SciSpace+1
Foot and skeletal inspection
During the physical exam, the doctor closely inspects the feet, ankles, knees, and spine for high arches, hammertoes, flat feet, or scoliosis. These visible changes support the diagnosis of a long-standing hereditary neuropathy like CMT1D. MedlinePlus+1
Romberg test for balance
In the Romberg test, the person stands with feet together and then closes their eyes. If they sway a lot or lose balance, it suggests poor position sense from sensory nerve damage. This is common in demyelinating neuropathies, including HMSN 1D. SciSpace+1
Functional tests such as heel and toe walking
The doctor may ask the person to walk on their heels, walk on their toes, or squat and stand. Difficulty doing these tasks points to weakness in certain muscle groups, such as those controlling ankle and toe movement, which are supplied by affected nerves. SciSpace+1

Manual bedside tests

Manual muscle testing (MRC scale)
The doctor tests each muscle group by asking the person to push or pull against resistance. They grade strength on a simple 0–5 scale. In HMSN 1D, distal muscles, especially those around the ankles and toes, often score lower than muscles near the hips and shoulders. SciSpace+1
Manual sensory testing for touch and pain
Using cotton wool, a blunt pin, or a small brush, the examiner gently tests light touch and pain in the feet, legs, hands, and arms. Reduced feeling in the feet and lower legs supports the diagnosis of a length-dependent sensory neuropathy. NCBI+1
Vibration sense testing with a tuning fork
A vibrating tuning fork is placed on bony points like the toes and ankles. People with HMSN 1D often feel the vibration poorly in the toes but better higher up. This pattern indicates damage to large sensory fibers that carry vibration sense. SciSpace+1
Joint position (proprioception) testing
The examiner gently moves the person’s toes or fingers up and down and asks them to say which direction it moved, with eyes closed. Difficulty telling the direction means impaired position sense, which fits with sensory nerve damage in hereditary neuropathies. SciSpace+1
Reflex testing with a hammer
Using a reflex hammer, the doctor taps tendons at the ankles, knees, and other joints. In HMSN 1D, the ankle reflex is often absent or weak, while knee reflexes may be normal or slightly reduced early on. This reflex pattern is typical of peripheral nerve disease. SciSpace+1

Laboratory and pathological tests

Basic blood tests to rule out other neuropathies
Blood tests such as glucose, vitamin B12, thyroid hormone, kidney and liver tests are done to rule out common non-genetic causes of neuropathy. Even though these are usually normal in HMSN 1D, doing them helps ensure that no treatable cause is missed. NCBI+1
Genetic blood test for EGR2 mutation
The key lab test for HMSN 1D is a genetic test on a blood sample. DNA from white blood cells is analyzed to look for harmful changes in EGR2. Finding a known pathogenic EGR2 mutation confirms the clinical diagnosis of CMT1D or HMSN 1D. MalaCards+1
Expanded CMT gene panel testing
Sometimes doctors order a panel that checks many CMT-related genes at once, including EGR2, PMP22, MPZ, GJB1, and others. This is useful when the exact subtype is not clear from the exam alone, or when more than one gene could fit the clinical picture. ARUP Consult+1
Nerve biopsy (often sural nerve)
In special cases, a small piece of a sensory nerve (commonly the sural nerve near the ankle) is removed for study under the microscope. In demyelinating HMSN, the pathologist may see very thin myelin, onion bulb formations (layers of Schwann cells around axons), and loss of nerve fibers. Today, because genetic tests are better, biopsies are used less often. SciSpace+1
Skin biopsy with nerve fiber studies
A skin biopsy can be used to look at small nerve fibers and their density in the skin. This is more common in other neuropathies, but in some research or complex cases with unusual symptoms, it can provide additional information about nerve loss. SciSpace+1

Electrodiagnostic tests

Nerve conduction studies (NCS)
NCS measure how fast and how strongly electrical signals travel along the nerves. In HMSN 1D, conduction velocities in motor and sensory nerves are usually significantly reduced, which is the hallmark of a demyelinating neuropathy. This is a central test in confirming CMT1-type disease. SciSpace+1
Electromyography (EMG)
EMG uses tiny needles in muscles to record electrical activity at rest and during movement. In HMSN 1D, EMG can show changes that suggest long-standing nerve loss, such as large motor units and reduced recruitment. EMG helps distinguish neuropathy from muscle diseases. SciSpace+1
Late response studies (F-waves and H-reflexes)
In some labs, doctors study “late responses,” such as F-waves and H-reflexes, which examine conduction in more proximal segments of the nerve. In demyelinating neuropathies, these responses can be delayed or absent, giving more evidence of widespread myelin damage. SciSpace+1

Imaging tests

X-rays of feet and spine
Simple X-rays of the feet can show high arches, hammertoes, or other bone changes caused by long-term muscle imbalance. Spine X-rays can show scoliosis. These pictures help plan orthopedic treatments, such as special shoes or corrective surgery, but they do not by themselves prove HMSN 1D. MedlinePlus+1
MRI of peripheral nerves or spine
Magnetic resonance imaging (MRI) is sometimes used to rule out other causes of nerve problems, such as spinal cord compression or nerve root disease. In some specialized centers, “MR neurography” can show thickened or abnormal peripheral nerves in hereditary neuropathies. This supports the diagnosis when combined with clinical and genetic findings. SciSpace+1

Non-pharmacological treatments (therapies and others)

Physical therapy and strengthening exercises
Physical therapy uses gentle, regular exercises to keep muscles as strong and flexible as possible. The therapist designs a program with low-impact activities like walking, cycling, or water exercises plus specific movements for ankles, knees, hips, and hands.
Purpose: Maintain strength, delay muscle wasting, and improve walking and balance.
Mechanism: Repeated, safe loading of muscles stimulates remaining healthy nerve-muscle connections to stay active and slows loss of muscle fibers.
Stretching and range-of-motion exercises
Daily stretching of ankles, toes, knees, hips, fingers, and wrists helps keep joints moving freely. These exercises can be done at home after simple teaching by a therapist.
Purpose: Prevent joint stiffness and contractures that can worsen walking and hand use.
Mechanism: Gentle, repeated stretching keeps muscles and tendons from shortening, so joints can move through their full range and maintain better alignment.
Balance and gait training
Many people with CMT1D have poor balance, “foot drop,” and a high-stepping gait. A therapist can teach special walking patterns, safe turning, and exercises on soft surfaces.
Purpose: Reduce falls, improve confidence in walking, and make movement more efficient.
Mechanism: Practice of balance and walking retrains the brain to use vision and remaining sensation more effectively and strengthens the core and leg muscles that stabilize the body.
Occupational therapy for hand and daily activities
Occupational therapists focus on hand strength, writing, keyboard use, dressing, cooking, and other daily tasks. They may suggest adaptive tools, altered grips, or different ways to perform activities.
Purpose: Keep independence at home, school, and work despite weakness or numbness in the hands.
Mechanism: Training and adaptive devices reduce the force needed for tasks and let other muscles or joints compensate for weaker ones.
Ankle–foot orthoses (AFOs)
AFOs are light braces worn inside or over the shoes. They support weak ankles and lift the front of the foot to prevent tripping.
Purpose: Improve walking stability, reduce falls, and slow worsening of foot deformities.
Mechanism: The brace holds the ankle in a safe position and adds an artificial “spring” to help lift the toes during each step, replacing part of the lost muscle function. CMT Research Foundation
Custom shoes and insoles
Special shoes and insoles can support high arches, curled toes, and bony pressure points. They are usually made by an orthotist or podiatrist.
Purpose: Reduce pain, prevent skin breakdown, and improve comfort and stability when walking.
Mechanism: Extra cushioning and reshaping of the shoe spread pressure more evenly and help align the foot underneath the leg, making each step safer and less painful.
Walking aids (cane, crutches, walker)
Some people need a cane, crutches, or a walker, especially on uneven ground or as weakness progresses.
Purpose: Prevent falls and allow longer walking distances with less fatigue.
Mechanism: The device adds extra points of support so body weight is shared between legs and arms, decreasing the load on weak muscles and improving balance.
Pain education and cognitive-behavioural therapy (CBT)
Chronic nerve pain can cause fear, poor sleep, and low mood. Pain-focused CBT helps people understand pain signals, learn relaxation, pacing, and coping skills.
Purpose: Reduce the emotional burden of pain and improve day-to-day function, even when pain does not fully disappear.
Mechanism: CBT changes how the brain processes pain signals and stress, which can lower pain intensity, anxiety, and disability over time. PMC
Fatigue management and energy conservation
Therapists teach people to plan tasks, rest before exhaustion, use sitting instead of standing, and break large jobs into smaller steps.
Purpose: Decrease overwhelming tiredness and let people do more of what matters each day.
Mechanism: Protecting weak muscles from overuse and spreading effort across the day reduces lactic build-up and nerve irritation, so symptoms stay more stable.
Respiratory therapy (when breathing muscles are affected)
A small number of people with severe CMT1D may have weak breathing muscles. Breathing exercises and, rarely, assisted ventilation at night may be used.
Purpose: Maintain good lung function and prevent chest infections.
Mechanism: Exercises strengthen remaining respiratory muscles; non-invasive ventilation supports breathing so carbon dioxide does not build up and oxygen levels stay normal during sleep.
Speech and voice therapy
If the vocal cords or facial muscles are weak, speech may be soft or nasal. A speech therapist can teach breathing support, clearer articulation, and safe swallowing strategies.
Purpose: Improve communication and reduce choking risk.
Mechanism: Targeted exercises strengthen specific muscles and teach compensatory techniques, such as slower speech, pausing, and posture changes. Genetic & Rare Diseases Center
Orthopedic physiotherapy for spine and posture
Scoliosis and poor posture can appear because of long-term muscle imbalance. Special exercises and sometimes bracing can help.
Purpose: Reduce back pain, improve sitting and standing comfort, and slow curve progression.
Mechanism: Strengthening core and back muscles plus teaching proper alignment lessens uneven forces on the spine and ribs.
Vocational rehabilitation and school support
Specialists can help adjust work tasks, choose suitable jobs, and arrange school accommodations, such as extra time, elevator access, or typing instead of handwriting.
Purpose: Maintain education and employment despite physical limits.
Mechanism: Changing the environment and expectations reduces physical strain and lets people use their strengths rather than fighting their weaknesses.
Home safety and fall-prevention modifications
Simple changes such as removing loose rugs, adding grab bars, improving lighting, and installing railings can lower fall risk.
Purpose: Prevent injuries like fractures, head trauma, and sprains.
Mechanism: A safer environment reduces situations where weak muscles or poor sensation could lead to trips, slips, or loss of balance.
Regular podiatry and foot care
Podiatrists can trim nails safely, remove calluses, and monitor for ulcers or pressure areas, especially when sensation is reduced.
Purpose: Avoid infections, ulcers, and deformities that might later need surgery.
Mechanism: Early detection and care of small foot problems stops them from growing into serious wounds that heal slowly because of poor nerve and muscle function.
Weight management and graded aerobic exercise
Being overweight adds stress to weak muscles and joints. Gentle, regular aerobic exercise and healthy eating can help maintain a suitable weight.
Purpose: Reduce strain on feet and legs, improve stamina, and protect the heart.
Mechanism: Aerobic exercise improves blood flow to nerves and muscles, while lower body weight means less force across ankles, knees, and hips with each step. Wikipedia
Stopping smoking and reducing alcohol
Smoking and heavy alcohol use can further damage nerves. Support programs and counselling can help people cut down or stop.
Purpose: Protect remaining nerve fibers and improve circulation.
Mechanism: Avoiding toxins that harm nerves reduces additional nerve injury on top of the genetic problem, slowing worsening of neuropathy.
Genetic counselling for patients and families
Genetic counsellors explain inheritance patterns, discuss testing, and talk about options for family planning.
Purpose: Help families understand the risk of passing CMT1D to children and make informed decisions.
Mechanism: Clear information reduces confusion and anxiety and allows use of options such as prenatal testing or pre-implantation genetic diagnosis where available. Global Genes
Peer support groups and patient organisations
Joining CMT support groups (local or online) connects people with others facing the same condition.
Purpose: Reduce feelings of isolation and share practical tips and emotional support.
Mechanism: Social connection, shared experience, and education improve coping skills and mental health, which indirectly improves physical functioning.
Assistive technology and environmental controls
Simple devices like voice-activated assistants, adapted keyboards, thick-handled pens, or remote-controlled switches can make daily life easier.
Purpose: Increase independence in communication, schoolwork, and home tasks.
Mechanism: Technology replaces some physical effort with voice or minimal hand movement, bypassing weak muscles and stiff joints.

Drug treatments –

Important safety note: No medicine is currently approved specifically for CMT1D. The drugs below are approved by the FDA for other conditions (such as diabetic nerve pain or post-herpetic neuralgia) and are sometimes used off-label by specialists to treat similar nerve pain or symptoms in hereditary neuropathies. Always, dosing and choice of drug must be made by a doctor. FDA Access Data+3PMC+3FDA Access Data+3

For each drug below: description, class, typical dosing pattern (not a prescription), purpose, mechanism, and key side-effects are briefly summarized from FDA-approved prescribing information on accessdata.fda.gov and major reviews.

Gabapentin
Gabapentin is an anti-seizure medicine widely used for nerve pain. FDA labels show it is approved for post-herpetic neuralgia and epilepsy. Doctors often use it off-label for peripheral neuropathic pain. It is usually started at a low dose in the evening and slowly increased up to three times daily.
Class: Anticonvulsant / gabapentinoid.
Purpose: Reduce burning, tingling, or shooting nerve pain.
Mechanism: Binds to calcium channels in nerve cells and reduces release of pain-signalling chemicals.
Common side-effects: Sleepiness, dizziness, weight gain, swelling of legs. FDA Access Data
Pregabalin
Pregabalin is a related drug approved for diabetic nerve pain, post-herpetic neuralgia, spinal cord injury pain, and fibromyalgia. It is taken one to three times daily, starting low and increased as needed.
Class: Anticonvulsant / gabapentinoid.
Purpose: Control moderate to severe neuropathic pain and improve sleep.
Mechanism: Similar to gabapentin, it reduces abnormal firing of pain nerves.
Side-effects: Dizziness, drowsiness, blurred vision, weight gain, ankle swelling. FDA Access Data+1
Duloxetine
Duloxetine is an antidepressant that is also approved for painful diabetic neuropathy, fibromyalgia, and chronic musculoskeletal pain.
Class: Serotonin–norepinephrine reuptake inhibitor (SNRI).
Purpose: Treat nerve pain and depression or anxiety that often accompany chronic illness.
Mechanism: Increases serotonin and noradrenaline in the spinal cord so pain messages are dampened.
Side-effects: Nausea, dry mouth, sweating, raised blood pressure, risk of low mood changes and suicidal thoughts in young people. FDA Access Data+1
Amitriptyline
Amitriptyline is an older antidepressant used at low doses for nerve pain and sleep.
Class: Tricyclic antidepressant (TCA).
Purpose: Reduce pain and help with insomnia.
Mechanism: Blocks reuptake of serotonin and noradrenaline and also calms overactive pain pathways.
Side-effects: Dry mouth, constipation, weight gain, drowsiness, heart rhythm changes at higher doses.
Nortriptyline
Nortriptyline is a similar TCA but often better tolerated than amitriptyline.
Class: Tricyclic antidepressant.
Purpose: Nerve pain control and mood support.
Mechanism: Modulates pain signalling chemicals in the brain and spinal cord.
Side-effects: Dry mouth, constipation, dizziness, heart rhythm effects; safer in lower doses and with ECG monitoring in adults.
Carbamazepine
Carbamazepine is an anti-seizure drug approved for trigeminal neuralgia (severe facial nerve pain).
Class: Sodium-channel blocking anticonvulsant.
Purpose: Treat sharp, stabbing nerve pains that come in attacks.
Mechanism: Stabilizes over-excited nerve membranes so they fire less often.
Side-effects: Drowsiness, dizziness, low sodium, rare serious blood or liver problems (requires blood tests).
Oxcarbazepine
Oxcarbazepine is related to carbamazepine and sometimes used for neuropathic pain.
Class: Anticonvulsant.
Purpose: Alternative for nerve pain when other drugs fail or cause side-effects.
Mechanism: Blocks voltage-gated sodium channels in nerves.
Side-effects: Dizziness, tiredness, low sodium, rash.
Tramadol
Tramadol is a weak opioid with additional SNRI-like actions. It is approved for moderate to moderately severe pain.
Class: Opioid / SNRI-like analgesic.
Purpose: Short-term relief of severe pain flares when other medicines are not enough.
Mechanism: Activates opioid receptors and increases serotonin and noradrenaline to block pain messages.
Side-effects: Nausea, dizziness, constipation, dependence and withdrawal if used for long periods; risk of serotonin syndrome and seizures with some other drugs.
Tapentadol
Tapentadol is a stronger pain medicine with opioid and noradrenaline-reuptake-blocking actions.
Class: Opioid analgesic.
Purpose: Severe chronic pain when other choices fail, usually not first-line in hereditary neuropathy.
Mechanism: Acts on opioid receptors and enhances spinal noradrenaline, reducing pain signal transmission.
Side-effects: Constipation, nausea, sleepiness, dependence, breathing suppression at high doses.
Topical lidocaine patches or gels
Lidocaine patches (for example, 5% lidocaine patches approved for post-herpetic neuralgia) can be placed over painful areas.
Class: Local anaesthetic.
Purpose: Numb localized burning or surface pain with minimal whole-body side-effects.
Mechanism: Blocks sodium channels in skin nerves so they cannot send pain signals.
Side-effects: Local skin redness or irritation; very little systemic effect if used correctly. FDA Access Data
Topical capsaicin cream or patch
Capsaicin is the spicy component of chilli peppers. High-strength patches are approved for certain nerve pains.
Class: TRPV1 receptor agonist.
Purpose: Reduce surface burning pain after repeated use.
Mechanism: Temporarily overstimulates and then reduces the activity of small pain fibers in the skin.
Side-effects: Burning or stinging at the start, skin redness.
Non-steroidal anti-inflammatory drugs (NSAIDs) – ibuprofen
Ibuprofen is a common painkiller.
Class: NSAID.
Purpose: Treat mild muscle and joint pain, not deep nerve pain, but helpful for secondary aches.
Mechanism: Blocks COX enzymes that make prostaglandins, reducing inflammation and pain.
Side-effects: Stomach upset or ulcers, kidney strain, increased bleeding risk.
NSAIDs – naproxen
Naproxen lasts longer than ibuprofen and may be used for musculoskeletal pain.
Class: NSAID.
Purpose: Relieve joint and soft tissue pain from abnormal gait or deformities.
Mechanism: Similar to ibuprofen, lowering inflammation mediators.
Side-effects: Similar to other NSAIDs—stomach, kidney, and bleeding risks, especially with long-term use.
Baclofen
Baclofen is approved for spasticity in multiple sclerosis and spinal cord disease, but sometimes used to treat painful muscle cramps.
Class: GABA-B receptor agonist muscle relaxant.
Purpose: Reduce cramping, stiffness, and related pain.
Mechanism: Enhances inhibitory signals in the spinal cord to relax muscles.
Side-effects: Drowsiness, dizziness, weakness, mood changes; sudden stop can cause dangerous withdrawal. Drugs.com+1
Tizanidine
Tizanidine is a short-acting muscle relaxant.
Class: Alpha-2 adrenergic agonist.
Purpose: Treat painful muscle spasms or increased tone.
Mechanism: Reduces nerve input to muscles through spinal alpha-2 receptors.
Side-effects: Sleepiness, low blood pressure, dry mouth, liver enzyme changes.
Botulinum toxin injections
In some cases of focal deformity or severe cramps, botulinum toxin can be injected into over-active muscles.
Class: Local neuromuscular blocking toxin.
Purpose: Temporarily weaken tight muscles to reduce pain and improve limb position.
Mechanism: Blocks release of acetylcholine at the neuromuscular junction so the muscle cannot contract strongly.
Side-effects: Local weakness, rare spread causing more general weakness.
Sertraline or other SSRIs (for mood)
Depression and anxiety are common in chronic neurologic disease. Sertraline is an SSRI antidepressant.
Class: Selective serotonin reuptake inhibitor.
Purpose: Improve mood, energy, and coping with long-term illness.
Mechanism: Increases serotonin in the brain, which can stabilize mood.
Side-effects: Nausea, sleep change, sexual side-effects, possible early increase in anxiety or suicidal thoughts in young people (needs close monitoring).
Melatonin (for sleep)
Melatonin is a hormone made into a medicine to help sleep.
Class: Sleep-regulating hormone supplement.
Purpose: Improve sleep quality when pain and discomfort disturb rest.
Mechanism: Helps reset the sleep–wake cycle and makes falling asleep easier.
Side-effects: Morning drowsiness, vivid dreams; generally well tolerated.
PXT3003 (baclofen + naltrexone + D-sorbitol – experimental)
PXT3003 is a combination oral solution studied in CMT1A and has FDA orphan drug designation but is not yet approved. PMC+1
Class: Experimental neuro-modulating combination.
Purpose: In trials, to slow disease progression and improve function.
Mechanism: The combination is thought to adjust signalling pathways that control PMP22 expression and myelin stability.
Side-effects: Still being defined in trials (e.g., digestive upset, dizziness).
Strong opioids (e.g., morphine) – last resort only
In rare cases with severe, unmanageable pain, specialists may use strong opioids under strict monitoring.
Class: Opioid analgesics.
Purpose: Short-term relief of extreme pain when all other options fail.
Mechanism: Bind to opioid receptors in the brain and spinal cord to block pain perception.
Side-effects: Constipation, nausea, respiratory depression, high risk of dependence and overdose; usually avoided in chronic non-cancer pain.

Dietary molecular supplements

(Evidence for CMT1D is limited; these are general nerve-health concepts. Always discuss with a doctor before starting any supplement.)

Alpha-lipoic acid (ALA)
ALA is an antioxidant used in some countries for diabetic neuropathy. It may reduce oxidative stress around nerves. Typical adult doses in studies are around 300–600 mg/day, divided.
Function: Antioxidant and metabolic co-factor.
Mechanism: Helps neutralize free radicals and improve glucose metabolism, which may protect nerve cells from damage.
Acetyl-L-carnitine
This is a natural molecule involved in fat metabolism in mitochondria. Doses in studies often range 500–1,000 mg one to three times daily.
Function: Supports energy production in nerve cells.
Mechanism: Helps carry fatty acids into mitochondria, improving energy supply to long peripheral nerves that have high energy needs.
Omega-3 fatty acids (EPA/DHA)
Found in fish oil, omega-3s are anti-inflammatory fats. Doses in studies commonly range from 1–3 g/day combined EPA/DHA.
Function: Reduce inflammation and support cell membrane health.
Mechanism: Become part of nerve cell membranes and may improve flexibility and signalling; also reduce inflammatory mediators.
Vitamin B1 (thiamine or benfotiamine)
Thiamine is needed for carbohydrate metabolism and nerve conduction.
Function: Support normal nerve transmission.
Mechanism: Acts as a co-enzyme in energy pathways; deficiency leads to neuropathy, so adequate intake protects against additional nerve injury.
Vitamin B6 (pyridoxine – with caution)
B6 is important for neurotransmitter synthesis, but high doses over long periods can actually cause neuropathy.
Function: Support normal nerve and brain chemistry.
Mechanism: Adequate, not excessive, doses help enzymes that make serotonin, dopamine, and GABA. Dose should usually stay below 50 mg/day unless supervised.
Vitamin B12 (methylcobalamin)
B12 is critical for myelin formation.
Function: Maintain healthy myelin and red blood cells.
Mechanism: Helps in methylation reactions needed for myelin repair and DNA synthesis. Deficiency can cause severe neuropathy, so correcting low B12 avoids extra nerve damage.
Folate (folic acid or L-methylfolate)
Folate works closely with B12.
Function: Support DNA synthesis and nerve function.
Mechanism: Participates in one-carbon metabolism; deficiency may worsen nerve problems, so adequate intake supports overall nerve health.
Vitamin D
Vitamin D affects bone, muscle, and immune system health. Many people with chronic illness are deficient.
Function: Support bone strength and muscle function.
Mechanism: Acts on muscle and immune cells, improving strength and reducing fall risk when levels are corrected.
Coenzyme Q10
CoQ10 is a mitochondrial co-factor and antioxidant.
Function: Support cellular energy and reduce oxidative stress.
Mechanism: Helps the electron transport chain in mitochondria, possibly improving energy in long peripheral nerves.
Curcumin (from turmeric)
Curcumin is a plant compound with anti-inflammatory effects.
Function: Reduce low-grade inflammation and oxidative stress.
Mechanism: Modulates multiple signalling pathways (such as NF-κB) to decrease inflammatory chemicals that may harm nerves.

Immunity-boosting, regenerative and stem-cell-related drugs

Right now there is no approved stem cell or gene therapy specifically for CMT1D. The following are research directions or therapies used in other conditions that scientists are studying or considering for inherited neuropathies. Pharmacy Times+3PMC+3Wikipedia+3

Gene therapy targeting EGR2 (future concept)
Researchers are exploring gene therapy for several neuromuscular diseases, such as spinal muscular atrophy, where gene replacement has been approved. For CMT1D, the idea would be to fix or replace the faulty EGR2 gene in Schwann cells. This remains experimental and is not yet available in clinical practice. Reuters+1
Neurotrophic factor therapies (e.g., NT-3)
Neurotrophic factors are natural proteins that support nerve survival and myelin health. Clinical trials in various neuropathies have tested them with mixed results. They might one day help protect or repair myelin in CMT1D, but they are not approved treatments yet.
PXT3003 combination therapy
As mentioned, PXT3003 (baclofen, naltrexone, D-sorbitol) has orphan drug designation for CMT1A and is being studied for its effect on myelin biology. If successful, similar approaches may be tried across demyelinating CMT subtypes, but its safety and benefit must be proven in large trials. PMC+1
NMD670 (ClC-1 inhibitor)
NMD670 is an oral experimental drug granted orphan drug designation for CMT. It aims to increase muscle responsiveness to weak nerve signals by targeting a chloride channel in muscle. Early trials are ongoing; it is not yet an approved treatment. NMD Pharma+1
Mesenchymal stem cell (MSC) therapies
MSC infusions are being studied in various neurologic and autoimmune diseases. The idea is that these cells might release growth factors and anti-inflammatory molecules that support nerve repair. At present MSC therapy for hereditary neuropathy should only be done inside approved clinical trials.
IVIG and other immune therapies (mainly for immune neuropathies)
Intravenous immunoglobulin (IVIG), steroids, and biologic immune modulators are powerful immune-targeting drugs. They can help immune-mediated neuropathies but usually do not help purely genetic CMT1D. They are only used if doctors suspect an overlapping immune process.

Surgeries

Foot deformity correction (osteotomy)
When high arches, hammer toes, or severe deformity cause pain and instability, surgeons can cut and realign bones in the foot. This is usually done when bracing is no longer enough. The goal is a flatter, more stable foot that fits into shoes and braces better.
Tendon transfer surgery
In tendon transfer, a tendon from a stronger muscle is moved to replace the function of a weaker one (for example, to lift the front of the foot). This can reduce foot drop and improve walking. It is considered in carefully chosen patients after thorough therapy and bracing.
Ankle fusion (arthrodesis)
If ankle joints are very unstable or painful and other options fail, the surgeon may fuse the bones so the joint no longer moves. This can make walking more stable, but reduces ankle flexibility. It is usually reserved for severe deformity in adults.
Spinal surgery for scoliosis
In people with significant spinal curvature causing pain, breathing problems, or appearance concerns, spinal fusion with rods and screws may be needed. Surgery aims to straighten and stabilize the spine. It is usually done by a spine specialist after careful imaging and pulmonary testing.
Nerve decompression or carpal tunnel release
If someone with CMT1D also develops nerve entrapment (like carpal tunnel syndrome), surgery to release the compressed nerve may help numbness or pain in that region. This does not treat the underlying hereditary neuropathy but can improve specific symptoms.

Preventions

You cannot prevent being born with CMT1D, but you can reduce complications and slow worsening:

Protect your feet with suitable shoes, braces, and regular podiatry to avoid ulcers and deformities.
Prevent falls by using walking aids when needed and keeping the home environment safe.
Avoid known nerve-toxic medicines (such as certain chemotherapy drugs like vincristine) whenever possible; always remind doctors you have CMT. PMC
Keep a healthy body weight to reduce stress on weak muscles and joints.
Do regular, gentle exercise rather than long periods of total rest or extreme over-exercise.
Do not smoke, and limit alcohol, as both can worsen nerve damage.
Treat other health problems like diabetes or vitamin deficiencies early, because they can add extra nerve injury.
Use early bracing and therapy instead of waiting until deformities are severe.
Get vaccinated, especially against flu and pneumonia when recommended, to reduce risk of serious chest infections if mobility is reduced.
Use genetic counseling to understand family risks and options for future pregnancies.

When to see doctors

You should see a doctor (ideally a neurologist familiar with CMT) if:

You notice new weakness in feet, legs, hands, or arms, especially if it worsens quickly.
Walking suddenly becomes much harder, or you start to fall more often.
You develop new severe pain, burning, or electric-shock-like sensations.
There is a rapid change in the shape of your feet or spine.
You have trouble breathing when lying down, frequent morning headaches, or loud snoring.
Swallowing becomes difficult or your voice becomes weak or hoarse.
You see any open sores, color change, or infection on your feet or ankles.
Mood becomes very low, hopeless, or anxious, especially if you take medicines that affect mood.
You are planning surgery, pregnancy, or starting a new serious medicine and need to review risks.

Urgent or emergency care is needed if you have sudden severe weakness, trouble breathing, chest pain, or signs of serious infection (fever, spreading redness, confusion).

What to eat and what to avoid

Eat: A balanced diet rich in fruits, vegetables, whole grains, and lean protein to support general health and muscle repair. Avoid: Very processed foods high in sugar and trans fats that promote inflammation.
Eat: Oily fish (such as salmon or sardines) or plant sources of omega-3 fats several times a week. Avoid: Large amounts of deep-fried foods that increase unhealthy fats and weight gain.
Eat: Foods rich in B-vitamins (whole grains, eggs, legumes, leafy greens). Avoid: Deficiency states by not skipping meals or following extreme diets without medical supervision.
Eat: Calcium and vitamin-D-rich foods (dairy or fortified plant milks, tofu, small fish with bones) for bone strength. Avoid: Excess fizzy drinks that may replace healthier drinks and harm bone health.
Eat: Enough protein (beans, lentils, fish, lean meat, dairy) to maintain muscle. Avoid: Very high-salt and high-sugar snacks that give calories without nutrients.
Eat: Plenty of water to stay well hydrated. Avoid: Excess sugary drinks and energy drinks that can disturb sleep and weight.
Eat: Spices and herbs like turmeric, ginger, and garlic in cooking for gentle anti-inflammatory support. Avoid: Large doses of herbal supplements without checking for drug interactions.
Eat: Regular, smaller meals if fatigue is a problem, so energy is more stable. Avoid: Very heavy meals late at night that disturb sleep and digestion.
Eat: If underweight, nutrient-dense snacks such as nuts, seeds, and yoghurt. Avoid: Skipping breakfast or long fasting periods that may worsen tiredness.
Always: Discuss supplements (vitamins, herbs, special diets) with your doctor. Avoid: Starting strong supplements or restrictive diets on your own, especially if you already take several prescription medicines.

Frequently asked questions (FAQs)

Is hereditary motor and sensory neuropathy 1D the same as Charcot-Marie-Tooth disease?
Yes. HMSN 1D is another name for Charcot-Marie-Tooth disease type 1D (CMT1D), which is a demyelinating form of CMT caused by mutations in the EGR2 gene. Orpha+2Genetic & Rare Diseases Center+2
Can CMT1D be cured?
Right now there is no cure and no approved treatment that can completely stop or reverse the disease. Treatment aims to manage symptoms, protect function, and improve quality of life through therapy, braces, and medicines for pain or cramps. PMC+1
Will everyone with CMT1D end up in a wheelchair?
No. CMT1D has a wide range of severity. Some people need walking aids or wheelchairs, especially later in life, but others remain able to walk independently with braces and therapy. Early care can help maintain mobility for longer.
At what age do symptoms usually start?
Symptoms can begin in childhood, teenage years, or adulthood. Many people first notice frequent tripping, ankle sprains, or high arches in late childhood or adolescence, but some do not develop clear signs until later adult life. Genetic & Rare Diseases Center+1
Is CMT1D inherited from one parent or both?
CMT1D is usually autosomal dominant, which means a child has a 50% chance of inheriting the condition if one parent has the gene mutation. However, new (de novo) mutations can also occur. Genetic counselling can explain the pattern for each family.
Can exercise make CMT1D worse?
Normal, gentle exercise is usually helpful, not harmful. Over-exercising to exhaustion or heavy weight-lifting can strain weak muscles and joints. A physical therapist can design a safe program that builds strength without overuse.
Why is my pain sometimes worse at night?
Many people notice nerve pain at night when there are fewer distractions and the body is still. Changes in temperature and blood flow during sleep may also affect pain. Good pain control, comfortable bedding, and sleep routines can help.
Are there special shoes for CMT?
Yes. Many people benefit from wider, supportive shoes with room for braces and insoles. A podiatrist or orthotist can recommend brands and custom inserts that protect the feet and improve balance.
Can I have a normal pregnancy if I have CMT1D?
Many people with CMT have safe pregnancies and healthy babies, but weakness can worsen temporarily due to weight gain and hormonal changes. Obstetricians and neurologists should plan care together, and genetic counselling can explain the risk of passing on the gene.
Do vitamins or supplements cure CMT1D?
No vitamin or supplement has been proven to cure CMT1D. However, correcting deficiencies (such as B12 or vitamin D) and using certain antioxidants or omega-3 fats may support general nerve health. They should always be used under medical supervision.
Are new treatments being developed?
Yes. Researchers are actively studying gene therapies, combination drugs such as PXT3003, and muscle-targeted drugs like NMD670, as well as gene-based products like EN001 for certain CMT forms. These are in clinical trials and have not yet become routine treatment. Pharmacy Times+3PMC+3FDA Access Data+3
Can CMT1D affect breathing or the voice?
In some people, especially with severe disease, muscles that control breathing and the vocal cords can be involved. This may cause weak voice, hoarseness, or breathing problems during sleep. Any such symptoms need prompt assessment by a doctor. Genetic & Rare Diseases Center+1
Is it safe to have surgery or anaesthesia if I have CMT1D?
Most people with CMT can safely have surgery, but the anaesthesia and surgical teams must know about the neuropathy. They may avoid certain drugs and will monitor nerves, breathing, and positioning very carefully to reduce risk.
Can children with CMT1D play sports?
Many children can play low-impact sports such as swimming or cycling, especially when wearing braces. Contact sports or those with high risk of ankle injuries may need to be limited. A paediatric neurologist and therapist can give individual advice.
Where can families find reliable information and support?
Trusted sources include national neuromuscular disease associations, CMT foundations, and major medical websites (for example, NIH and Orphanet). Local patient organisations and online support groups can also offer education and community. Genetic & Rare Diseases Center+2Orpha+2

Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. Regular check-ups and awareness can help to manage and prevent complications associated with these diseases conditions. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. We always try to ensure that the content is regularly updated to reflect the latest medical research and treatment options. Thank you for giving your valuable time to read the article.

The article is written by Team RxHarun and reviewed by the Rx Editorial Board Members

Last Updated: December 25, 2025.

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