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Lumbar Disc Non-Contained Protrusion

A non-contained protrusion of the lumbar intervertebral disc refers to a focal displacement of disc material beyond the confines of the intervertebral disc space without retention by intact outer annulus fibrosus or posterior longitudinal ligament. In contrast to a contained protrusion—where displaced material remains covered by annular fibers—non-contained protrusions include extrusions (base narrower than displaced material) and sequestrations (fragment completely detached) Radiology AssistantSpine Society.

Pathophysiologically, annular fibers develop radial fissures under repeated stress or degeneration, allowing nucleus pulposus to herniate posteriorly into the spinal canal. Chemical irritation from nucleus constituents (e.g., phospholipase A₂, nitric oxide) plus mechanical compression of nerve roots provoke inflammation and radicular pain PMC.


Anatomy of the Lumbar Intervertebral Disc

Structure

The lumbar intervertebral disc is a fibrocartilaginous joint comprising three components:

  • Nucleus pulposus (NP): Central gelatinous core, high in proteoglycans and water (> 70%) permitting shock absorption.

  • Annulus fibrosus (AF): Concentric lamellae of type I collagen peripherally (tensile strength) and type II centrally (flexibility).

  • Cartilaginous end-plates: Hyaline cartilage layers that anchor the disc to adjacent vertebral bodies and permit nutrient diffusion. Wikipedia.

Location

Lumbar discs lie between vertebral bodies from L1–L2 through L5–S1. They fill the intervertebral spaces, transmitting loads and facilitating motion while protecting spinal nerves exiting at each level Wikipedia.

Origin & Insertion

  • Origin: Annular fibers attach radially to the vertebral ring apophyses.

  • Insertion: Inner annulus fibers and end-plates insert into the subchondral bone of vertebral end-plates, forming a secure interface for load transmission and nutrient diffusion PubMed.

Blood Supply

Adult discs are largely avascular, receiving nutrition by diffusion through the cartilaginous end-plates from capillaries in the adjacent vertebral bodies. Small vessels penetrate the outer annulus and end-plates, branching from lumbar arteries and vertebral end-plate nutrient vessels Radiology Key.

Nerve Supply

Sensory innervation is limited to the outer third of the annulus fibrosus via sinuvertebral (recurrent meningeal) nerves and branches of the gray rami communicantes. No nerve endings penetrate the nucleus pulposus in healthy discs Radiopaedia.

Functions

  1. Shock Absorption: NP gel resists compressive loads, dispersing forces evenly.

  2. Load Transmission: AF rings convert compressive loads into tensile hoop stresses, protecting vertebral bodies.

  3. Motion Facilitation: Permits flexion, extension, lateral bending, and axial rotation in combination with facet joints.

  4. Spacing & Stability: Maintains intervertebral height, preserving foraminal size and spinal alignment.

  5. Energy Dissipation: Viscoelastic properties attenuate dynamic forces.

  6. Nutrient Exchange: End-plates allow diffusion of glucose and oxygen critical for disc cell metabolism PhysiopediaPubMed.


Types of Non-Contained Protrusion

Based on lumbar disc nomenclature, non-contained herniations include:

  • Extrusion: Herniated fragment’s greatest dimension (cranio-caudal or medial-lateral) exceeds its base at the parent disc; often breaches annulus integrity Radiology Assistant.

  • Sequestration: A subtype of extrusion where the fragment loses continuity with the parent disc and may migrate within the spinal canal Radiopaedia.

Subclassifications by location include central, subarticular, foraminal, and extraforaminal extrusions or sequestrations, each with different clinical implications Radiology Assistant.


Causes

Each of the following factors can precipitate or predispose to non-contained lumbar disc protrusion.

  1. Age-Related Degeneration: Progressive loss of proteoglycans and water in NP increases annular stress PMC.

  2. Genetic Predisposition: Polymorphisms in collagen genes (e.g., COL9A2) correlate with disc degeneration risk MDPI.

  3. Obesity: Increased axial load accelerates annular fiber failure Nature.

  4. Smoking: Nicotine impairs end-plate nutrition, promoting disc desiccation and fissures MDPI.

  5. Repetitive Lifting & Bending: Chronic mechanical stress causes micro-tears in the annulus PubMed.

  6. Occupational Vibration: Whole-body vibration (e.g. truck drivers) correlates with higher herniation rates JSAMS.

  7. Traumatic Injury: Acute lifting injuries or falls can tear annular fibers, leading to extrusion JSAMS.

  8. Poor Posture: Sustained flexed spine increases posterior annular tension Wikipedia.

  9. Sedentary Lifestyle: Reduced disc nutrition and core muscle weakness contribute to instability PubMed.

  10. End-Plate Damage: Subchondral microfractures interrupt nutrient diffusion, accelerating degeneration Radiology Key.

  11. Metabolic Disorders: Diabetes and dyslipidemia promote glycation end-products that stiffen collagen Lippincott Journals.

  12. Inflammatory Conditions: TNF-α and IL-1β production in the disc milieu weaken annular fibers PubMed.

  13. Pregnancy: Increased laxity and weight gain amplify lumbar loading Wikipedia.

  14. Hypermobile Joints: Excessive segmental motion stresses the disc MDPI.

  15. Spinal Deformities: Scoliosis or kyphosis alter load distribution, predisposing to focal herniation Nature.

  16. Previous Spinal Surgery: Altered biomechanics at adjacent segments increase herniation risk Lippincott Journals.

  17. Infection: Bacterial degradation (e.g., P. acnes) may weaken annular matrix Wikipedia.

  18. Tumors: Mass effect can disrupt annular integrity.

  19. Congenital Variations: Schmorl’s nodes or exaggerated end-plate concavities create focal weaknesses Radiology Assistant.

  20. Nutritional Deficiencies: Insufficient vitamin D or collagen co-factors impair extracellular matrix maintenance.


Symptoms

Non-contained protrusions can present with:

  1. Low Back Pain: Localized axial pain worsened by extension Wikipedia.

  2. Radicular (Sciatic) Pain: Shooting pain radiating into buttock or leg along a dermatomal pattern Wikipedia.

  3. Paresthesia: Tingling or “pins and needles” in the lower limb.

  4. Numbness: Sensory loss in affected dermatome.

  5. Weakness: Motor deficit in myotomal distribution (e.g., ankle dorsiflexion).

  6. Reflex Changes: Decreased patellar or Achilles reflexes.

  7. Gait Disturbance: Antalgic or foot-drop gait.

  8. Positive Straight Leg Raise: Radiating pain when lifting the leg 30–70° Wikipedia.

  9. Positive Crossed SLR: Contralateral leg raise elicits ipsilateral pain.

  10. Tenderness: Paraspinal muscle tenderness on palpation.

  11. Spasm: Paravertebral muscle guarding and stiffness.

  12. Positional Relief: Pain relief when supine or flexed.

  13. Cough/Sneeze Pain: Valsalva maneuvers exacerbate radiculopathy.

  14. Night Pain: Disruption of sleep due to discomfort.

  15. Bladder/Bowel Dysfunction: Rare, suggests cauda equina involvement.

  16. Sexual Dysfunction: Pudendal nerve irritation.

  17. Chemical Radiculitis: Inflammatory pain without mechanical compression.

  18. Lateral Shift: Trunk deviation away from the side of pain.

  19. Sensory Level: Distinct zone of altered sensation.

  20. Balance Issues: Proprioceptive deficits due to nerve root irritation.


Diagnostic Tests

A. Physical Examination

  1. Inspection & Palpation: Assess posture, deformity, muscle spasm.

  2. Range of Motion Testing: Flexion, extension, lateral bending.

  3. Gait Analysis: Observe for antalgic patterns.

  4. Neurological Exam: Sensory, motor, reflex testing.

  5. Femoral Stretch Test: Detect high lumbar root involvement.

  6. Trendelenburg Sign: Gluteus medius weakness.

B. Manual Tests

  1. Straight Leg Raise (SLR): High sensitivity for L4–S1 radiculopathy Wikipedia.

  2. Crossed SLR: High specificity.

  3. Slump Test: Neural tension test in sitting Wikipedia.

  4. Kemp’s Test: Extension-rotation to localize pathology.

  5. FABER (Patrick’s) Test: Differentiate sacroiliac from lumbar pain.

  6. Schober’s Test: Lumbar flexion measurement.

C. Laboratory & Pathological Tests

  1. CBC/ESR/CRP: Rule out infection/inflammation.

  2. HLA-B27: In suspected spondyloarthritis.

  3. Rheumatoid Factor/Anti-CCP: Exclude rheumatoid involvement.

  4. Discography: Provocative test for symptomatic disc Spine Society.

  5. Microbial Cultures: In suspected discitis.

  6. Genetic Markers: Collagen gene polymorphisms.

D. Electrodiagnostic Tests

  1. Nerve Conduction Studies (NCS): Assess nerve root conduction Wikipedia.

  2. Electromyography (EMG): Detect denervation in myotomal muscles Cleveland Clinic.

  3. Somatosensory Evoked Potentials (SSEPs): Central pathway evaluation.

  4. Motor Evoked Potentials (MEPs): Corticospinal tract integrity.

  5. Anal Sphincter EMG: Cauda equina assessment.

  6. Electrodiagnostic Radiculopathy Protocol: Combined NCS/EMG NCBI.

E. Imaging Tests

  1. Plain Radiography: Exclude fractures, spondylolisthesis.

  2. MRI (T1/T2/Contrast): Gold standard for disc detail and nerve compression Cleveland Clinic.

  3. CT Scan & CT Myelography: For patients contraindicated to MRI.

  4. Dynamic Flexion-Extension X-rays: Assess instability.

  5. Bone Scan (99mTc): Detect infection or tumor.

  6. Ultrasound‐Guided Provocative Discography: When MRI is inconclusive.

Non-Pharmacological Treatments

Divided into four categories—Physiotherapy & Electrotherapy (15), Exercise Therapies (8), Mind-Body Therapies (4), and Educational Self-Management (3)—each treatment below includes Description, Purpose, and Mechanism.

A. Physiotherapy & Electrotherapy

  1. Spinal Mobilization

    • Description: Hands-on gentle gliding of the vertebrae.

    • Purpose: Restore joint motion, reduce stiffness.

    • Mechanism: Stimulates mechanoreceptors to inhibit pain pathways and improve segmental mobility. NICE

  2. Spinal Manipulation

    • Description: High-velocity, low-amplitude thrusts.

    • Purpose: Immediate pain relief, improved function.

    • Mechanism: Releases entrapped synovial folds, resets aberrant proprioceptive signals. NICE

  3. Soft-Tissue Massage

    • Description: Manual kneading of paraspinal muscles.

    • Purpose: Reduce muscle spasm, improve circulation.

    • Mechanism: Increases local blood flow, clears noxious metabolites. ChoosePT

  4. Directional Preference (McKenzie) Exercises

    • Description: Repeated lumbar extension movements.

    • Purpose: Centralize pain, reduce protrusion.

    • Mechanism: Alters disc pressure dynamics to retract nucleus pulposus. PMC

  5. Neural Mobilization (“Nerve Glides”)

    • Description: Gentle sliding of nerve roots.

    • Purpose: Reduce mechanosensitivity of sciatic nerve.

    • Mechanism: Decreases intraneural edema, improves nerve excursion. ChoosePT

  6. Traction (Mechanical/Manual)

    • Description: Longitudinal pulling force on the spine.

    • Purpose: Decompress disc space, relieve nerve root pressure.

    • Mechanism: Creates negative intradiscal pressure, promoting retraction. ChoosePT

  7. Heat Therapy (Shortwave/Hot Packs)

    • Description: Deep or superficial heating modalities.

    • Purpose: Relax muscles, enhance tissue extensibility.

    • Mechanism: Increases local metabolism and connective-tissue elasticity. JOSPT

  8. Cryotherapy (Cold Packs)

    • Description: Local application of ice or cold.

    • Purpose: Reduce acute inflammation and pain.

    • Mechanism: Vasoconstriction limits inflammatory mediator spread. Physiopedia

  9. Transcutaneous Electrical Nerve Stimulation (TENS)

    • Description: Low-voltage electrical currents across the skin.

    • Purpose: Pain modulation.

    • Mechanism: Activates large-fiber afferents to inhibit nociceptive transmission (Gate Control Theory). NICE

  10. Interferential Therapy

    • Description: Two medium-frequency currents that cross in tissue.

    • Purpose: Deep pain relief, muscle relaxation.

    • Mechanism: Beat frequencies stimulate pain-inhibitory pathways. NICE

  11. Percutaneous Electrical Nerve Stimulation (PENS)

    • Description: Needle electrodes deliver electrical pulses.

    • Purpose: Targeted analgesia.

    • Mechanism: Directly blocks C-fiber transmission. NICE

  12. Ultrasound Therapy

    • Description: High-frequency sound waves.

    • Purpose: Promote soft-tissue healing.

    • Mechanism: Thermal and non-thermal effects stimulate tissue repair. NICE

  13. Laser Therapy (LLLT)

    • Description: Low-level light irradiation.

    • Purpose: Anti-inflammatory, analgesic.

    • Mechanism: Photobiomodulation increases ATP production in cells. ChoosePT

  14. Vibration Therapy

    • Description: Localized or whole-body vibration.

    • Purpose: Muscle relaxation, proprioceptive input.

    • Mechanism: Stimulates muscle spindles, modulates pain. ChoosePT

  15. Dry Needling

    • Description: Insertion of fine needles into myofascial trigger points.

    • Purpose: Release muscle knots.

    • Mechanism: Mechanical disruption reduces local nociceptor sensitivity. ChoosePT

B. Exercise Therapies

  1. Core Stabilization – Builds deep trunk muscle endurance to support the spine.

  2. Flexion-Based Stretching – Eases nerve root tension via knee-to-chest, hamstring stretches.

  3. Aerobic Conditioning – Walking, cycling to boost circulation and tissue healing.

  4. Pilates – Focused on alignment, breathing, controlled movements.

  5. Water-Based Therapy (Aquatherapy) – Buoyancy reduces load on the spine.

  6. Yoga (Asana Practice) – Improves flexibility, core control, stress reduction.

  7. High-Intensity Interval Training – Short bursts to enhance overall fitness without overloading the back.

  8. Functional Training – Task-specific movements (lifting, bending) to safely return to daily activities. NICE

C. Mind-Body Therapies

  1. Mindfulness-Based Stress Reduction (MBSR) – Teaches awareness to modulate pain perception.

  2. Cognitive Behavioral Therapy (CBT) – Reframes negative thoughts around pain.

  3. Guided Imagery & Relaxation – Uses mental visualization to reduce muscle tension.

  4. Biofeedback – Monitors physiological signals to teach self-regulation of muscle tension. NICE

D. Educational Self-Management

  1. “Back School” Programs – Classroom-style education on spine anatomy and safe movement.

  2. Ergonomic Training – Adjusting work/home setups to minimize strain.

  3. Self-Management Plans – Personalized action plans including pacing, symptom tracking. NICE


Common Drugs

Below is a selection of 20 medications used in lumbar radicular pain. For each: Class, Usual Dosage, Timing, Key Side Effects.

Drug Class Typical Dosage Timing Notable Side Effects
Ibuprofen NSAID 400–800 mg every 6–8 h With meals GI upset, renal impairment
Naproxen NSAID 250–500 mg twice daily Morning & evening Dyspepsia, headache
Diclofenac NSAID 50 mg three times daily With food Liver enzyme elevation, HTN
Celecoxib COX-2 inhibitor 100–200 mg once or twice daily Any time Cardio-renal risk, edema
Ketorolac NSAID (parenteral) 10–30 mg IV/IM every 6 h (≤5 days) Acute in-hospital GI bleed, renal toxicity
Meloxicam NSAID 7.5–15 mg once daily With food GI discomfort, edema
Piroxicam NSAID 20 mg once daily With water GI ulceration, rash
Methocarbamol Muscle relaxant 1.5 g four times daily Spaced evenly Drowsiness, dizziness
Cyclobenzaprine Muscle relaxant 5–10 mg three times daily Bedtime if sedating Sedation, dry mouth
Tizanidine Muscle relaxant 2–4 mg every 6–8 h Up to 3 times daily Hypotension, hepatotoxicity
Acetaminophen Analgesic 500–1000 mg every 6 h (max 3 g/day) As needed Hepatotoxicity in overdose
Tramadol Opioid agonist 50–100 mg every 4–6 h As needed Nausea, constipation, drowsiness
Gabapentin Antiepileptic (neuropathic) 300–1200 mg three times daily Titrated Dizziness, peripheral edema
Pregabalin Antiepileptic (neuropathic) 75–150 mg twice daily With or without food Weight gain, sedation
Amitriptyline TCA (neuropathic) 10–25 mg at bedtime Bedtime Anticholinergic effects, hypotension
Duloxetine SNRI 30–60 mg once daily Morning Nausea, insomnia
Codeine Opioid agonist 15–60 mg every 4–6 h As needed Constipation, sedation
Hydrocodone/APAP Opioid/Analgesic combo 5/325 mg every 4–6 h As needed Sedation, hepatic risk (APAP)
Baclofen Muscle relaxant 5–20 mg three to four times daily Titrated Muscle weakness, drowsiness
Methadone Opioid agonist 2.5–10 mg every 8–12 h Controlled taper QT prolongation, sedation

All dosing should be individualized based on patient factors. NICE


Dietary Molecular Supplements

Supplement Typical Dosage Function Mechanism
Glucosamine Sulfate 1500 mg daily Cartilage support Stimulates proteoglycan synthesis
Chondroitin Sulfate 800–1200 mg daily Anti-inflammatory Inhibits cartilage-degrading enzymes
Methylsulfonylmethane 1000–3000 mg daily Pain relief Modulates cytokine production
Curcumin (Turmeric) 500–2000 mg daily Anti-inflammatory NF-κB pathway inhibition
Omega-3 Fatty Acids 1000–3000 mg EPA/DHA daily Anti-inflammatory Resolvin and protectin synthesis
Vitamin D3 1000–2000 IU daily Bone health Regulates calcium absorption, immune modulation
Collagen Peptides 10–15 g daily Connective-tissue support Stimulates collagen synthesis
Boswellia Serrata 300–500 mg three times daily Pain & inflammation relief 5-LOX pathway inhibition
Magnesium 200–400 mg daily Muscle relaxation NMDA receptor modulation, calcium channel block
Bromelain 200–400 mg twice daily Anti-inflammatory Proteolytic enzyme reducing edema

Note: Supplements vary in quality—choose pharmaceutical-grade products.


Advanced Biologic & Viscosupplementation Drugs

Drug Dosage / Route Function Mechanism
Alendronate 70 mg once weekly (oral) Bone resorption inhibitor Inhibits osteoclast activity
Risedronate 35 mg once weekly (oral) Bone resorption inhibitor Induces osteoclast apoptosis
Zoledronic Acid 5 mg IV once yearly Bone resorption inhibitor High-potency osteoclast inhibition
Teriparatide 20 µg SC daily Anabolic bone formation PTH receptor agonist stimulating osteoblasts
BMP-2 (Infuse®) 1.5 mg in collagen sponge (surg.) Bone growth stimulant Activates BMP receptors for osteogenesis
Platelet-Rich Plasma 3–6 mL autologous injection Tissue regeneration Releases growth factors (PDGF, TGF-β)
Hyaluronic Acid 1–2 mL epidural injection Viscosupplementation Restores synovial fluid viscosity
Autologous MSCs 10–50×10⁶ cells SC injection Regenerative therapy Differentiates into nucleus/annular cells
Allogeneic MSCs 25–100×10⁶ cells IV/SC injection Regenerative therapy Homing to disc, secreting trophic factors
PRP + HA combo 3 mL PRP + 1 mL HA epidural Combined regeneration Synergistic growth-factor and lubricant effect

PMCPhysio Network


Surgical Procedures

Procedure Key Steps Main Benefits
Microdiscectomy Removal of herniated fragment via small window Rapid pain relief, minimal tissue injury
Endoscopic Discectomy Endoscopic removal through tiny portal Less blood loss, faster recovery
Laminectomy Removal of lamina to decompress nerve root Relieves central canal stenosis
Laminotomy Partial lamina removal Preserves more bone than laminectomy
Posterior Lumbar Fusion Bone graft + instrumentation Stabilizes unstable segments
Total Disc Replacement Artificial disc implant Maintains motion segment
Chemonucleolysis Injection of chymopapain to liquefy nucleus Minimally invasive disc shrinkage
Nucleoplasty (Plasma Disc Decomp.) Radiofrequency ablation of nucleus Reduces disc volume with local anesthesia
Interspinous Process Device Spacer placed between spinous processes Indirect decompression for stenosis
Radiofrequency Ablation Lesioning of medial branch nerves Pain relief in facet-mediated back pain

Physio Network


“Do’s” and “Avoid’s”

Do Avoid
Maintain proper lumbar support (chair, pillow). Prolonged bed rest beyond 48 hours.
Use ice for acute flare-ups (first 72 hours). Heavy lifting without proper technique.
Perform gentle extension exercises (McKenzie). High-impact sports (e.g. running, jumping).
Keep active with low-impact activities (walking). Bending/lifting with a rounded back.
Sit with hips and knees at 90°. Sitting for >30 minutes without breaks.
Practice good posture while standing. Twisting under load (e.g. carrying groceries).
Use ergonomic workstation setups. Wearing high heels or unsupportive shoes.
Engage core-strengthening movements daily. Ignoring early warning pain signals.
Sleep on a medium-firm mattress. Mattress that sags in the middle.
Follow prescribed home exercise program. Self-medicating with excessive opioids.

Prevention Strategies

  1. Maintain a healthy weight to reduce spinal load.

  2. Strengthen core muscles through targeted exercise.

  3. Quit smoking to improve disc nutrition and healing.

  4. Practice safe lifting: bend at knees, not waist.

  5. Use adjustable chairs with lumbar support.

  6. Take micro-breaks every 30 minutes when sitting.

  7. Stay active: aim for 30 minutes of low-impact aerobic exercise daily.

  8. Stretch hamstrings and hip flexors regularly.

  9. Ensure proper sleep ergonomics (mattress, pillow).

  10. Educate on spine mechanics via “back-school” programs. NICE


When to See a Doctor

Seek urgent medical attention if you develop:

  • Red-flag symptoms: bowel/bladder incontinence, saddle anesthesia

  • Severe motor weakness: foot drop or progressive leg weakness

  • Unrelenting night pain not relieved by rest

  • Fever or unexplained weight loss with back pain

  • Trauma history (e.g., fall, car accident) preceding symptoms


FAQs

  1. What causes a non-contained protrusion?
    Tiny tears in the annulus fibrosus from degeneration, trauma, or repetitive strain allow nucleus pulposus to push out without full containment.

  2. Can it heal on its own?
    Yes—up to 85% of patients improve with conservative care over 6–12 weeks as inflammation subsides and resorption occurs.

  3. Is MRI required?
    Imaging is reserved for severe or progressive neurological signs; otherwise, clinical diagnosis suffices.

  4. What’s the difference between protrusion and extrusion?
    With protrusion, the base is wider than the outward bulge; with extrusion, the bulge is wider than its base and often non-contained.

  5. Are injections helpful?
    Epidural steroids can provide short-term relief but have limited long-term benefit.

  6. When is surgery indicated?
    Surgery is considered for intractable pain >6 weeks or red-flag neurological deficits.

  7. Will my pain return after surgery?
    Recurrence rates are 5–10%; adherence to rehab and ergonomics minimizes risk.

  8. Can core exercises prevent problems?
    Strong, coordinated trunk muscles stabilize the spine and reduce re-injury.

  9. Are supplements worthwhile?
    Some (e.g., glucosamine) show modest benefit, but results vary—choose high-quality products.

  10. What lifestyle changes help most?
    Quitting smoking, maintaining weight, and staying active are critical.

  11. Is bed rest ever advised?
    No—beyond 48 hours, rest worsens outcomes by deconditioning muscles.

  12. How long until I can return to work?
    Many patients resume light duties within 2–6 weeks, depending on job demands.

  13. Does age matter?
    Degenerative changes increase with age, but younger patients recover faster.

  14. Are alternative therapies useful?
    Some patients find relief with acupuncture or yoga, though evidence is mixed.

  15. What if my symptoms worsen?
    Return to your doctor for re-evaluation—worsening pain or new neurological signs require prompt reassessment.

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: May 17, 2025.

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