Glaucomatocyclitic Crisis

Glaucomatocyclitic crisis, also called Posner–Schlossman syndrome (PSS), is a rare eye condition marked by sudden, short-lived rises in pressure inside one eye (intraocular pressure) alongside mild inflammation in the front part of that eye Wikipedia. During an attack, pressure can jump to 40–70 mmHg—much higher than normal—yet the eye shows only mild redness or discomfort, making it easy to miss without testing WebEye. Most attacks last from hours up to two weeks and often go away on their own, but repeated episodes can slowly damage the optic nerve and lead to permanent vision loss Review of Optometry.

Glaucomatocyclitic crisis, also known as Posner–Schlossman syndrome (PSS), is a rare eye condition characterized by sudden, recurrent episodes of very high intraocular pressure (IOP) in one eye, accompanied by mild inflammation of the anterior chamber (uveitis). Attacks can raise IOP into the 40–70 mmHg range, often causing blurred vision, halos around lights, or mild discomfort, but typically little redness or pain compared to other glaucomas. Although each episode often resolves without permanent damage, repeated attacks can injure the optic nerve, leading to secondary open-angle glaucoma and irreversible vision loss EyeWiki.

Glaucomatocyclitic crisis typically affects adults between 20 and 60 years old and is slightly more common in men than women Wikipedia. It is considered a form of inflammatory glaucoma because it combines both high eye pressure (ocular hypertension) and mild uveitis (inflammation of the uveal tract). The exact reason why PSS happens is still not clear, though researchers have proposed several theories ranging from immune system misfires to infections inside the eye EyeWikiWikipedia.

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Types of Glaucomatocyclitic Crisis

1. Classical (Typical) PSS

   • In the classical form, sudden attacks strike one eye at a time, causing IOP spikes and mild anterior chamber inflammation. Between attacks, the eye looks and feels normal. Most patients have multiple episodes in the same eye over months or years WebEye.

2. Bilateral or Variant Forms

   • Although rare, some people experience attacks in both eyes—either at the same time or one after the other. Variants may also present with slightly stronger inflammation, making them resemble other types of uveitis. These cases need careful examination to rule out more severe inflammatory or infectious eye diseases WebEye.

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Possible Causes

(Each paragraph names one proposed cause and explains it in simple English.)

1. Unknown Exact Cause
   Experts agree that the precise trigger for PSS remains a mystery. What is known is that the body’s normal balance in the eye’s drainage system and immune response goes off track during attacks Wikipedia.

2. Autonomic Nervous System Imbalance
   Some researchers think that nerves controlling eye blood vessels or fluid drainage may misfire, causing sudden pressure rises without strong inflammation Wikipedia.

3. Allergic Reactions
   In rare cases, an allergic reaction inside the eye—perhaps to a medication or environmental substance—might lead to mild inflammation and blocked fluid channels, driving up pressure.

4. Developmental (Congenital) Glaucoma Variant
   A small number of people may have a mild form of developmental drainage problem (angle anomaly) that only becomes noticeable as intermittent pressure spikes later in adult life.

5. Autoimmune Response (HLA-Bw54 Association)
   Studies have found a link between PSS and a specific immune-system marker called HLA-Bw54. This suggests the body’s defenses may mistakenly attack its own eye tissues during an attack WebEye.

6. Blood Vessel Abnormalities in the Ciliary Body
   Abnormal vessels around the part of the eye that produces fluid (the ciliary body) could leak or spasm, mixing inflammation and pressure changes.

7. Cytomegalovirus (CMV) Infection
   CMV, a common virus, has been detected in the fluid of some PSS patients. It may cause low-grade inflammation that triggers pressure surges WebEye.

8. Herpes Simplex Virus (HSV) Infection
   Another theory suggests HSV lives quietly in the eye and flares up occasionally, causing mild uveitis and fluid-drainage blockage.

9. Varicella Zoster Virus (VZV)
   Similar to HSV, VZV (the chickenpox/shingles virus) might hide in eye tissues and provoke PSS attacks in susceptible individuals.

10. Helicobacter pylori Infection
    Some small studies have found antibodies to the stomach germ H. pylori in PSS patients, hinting at an immune link between gut and eye WebEye.

11. Borrelia burgdorferi (Lyme Disease) Collaboration
    Rare reports connect Lyme disease bacteria to PSS attacks, possibly triggering eye inflammation through a cross-reaction.

12. Stress-Induced Immune Changes
    Severe emotional or physical stress may weaken normal immune regulation, allowing low-grade inflammation to escape control.

13. Previous Eye Surgery or Trauma
    A history of eye surgery (e.g., cataract removal) or injury could leave subtle damage in drainage pathways, predisposing to intermittent pressure spikes.

14. Steroid-Related Angle Changes
    Long-term steroid use can change how fluid drains in the eye. In some cases, this steroid-induced change may resemble PSS.

15. Systemic Autoimmune Diseases
    Conditions like rheumatoid arthritis or lupus may flare in the eye as mild uveitis, mimicking PSS pressure spikes.

16. Diabetes-Related Vascular Changes
    Diabetes can damage tiny eye vessels and drainage structures, occasionally presenting with PSS-like episodes.

17. High Blood Pressure (Hypertension)
    Chronic high blood pressure may alter eye blood flow and drainage, leading to episodic pressure elevations.

18. Age-Related Drainage Canal Changes
    As people age, the tiny channels that drain eye fluid can stiffen or narrow, making them more prone to sudden blockages.

19. Genetic Predisposition
    A family history of PSS or other eye inflammations suggests genes may play a role in who develops this syndrome.

20. Combination of Multiple Factors
    For most patients, PSS likely arises from a mix of slight drainage issues, mild inflammation triggers, and individual immune traits rather than a single cause.

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Common Symptoms

(Symptoms are grouped in plain English; each group described in a paragraph.)

1. Sudden Blurred Vision and Hazy Sight
   During an attack, vision often becomes blurry or cloudy. This happens because high pressure can cause slight corneal swelling that blurs light as it enters the eye Wikipedia.

2. Mild Eye Pain or Aching
   Pain is usually mild—a dull ache or pressure feeling rather than sharp pain. This mild discomfort can be easy to ignore.

3. Headache or Face Ache
   Some patients feel a headache focused around the brow or temple on the same side as the affected eye.

4. Colored Halos Around Lights
   When light enters a swollen cornea, patients often see rainbow-colored rings or halos around lamps or headlights Wikipedia.

5. Redness Around the Cornea
   The white part of the eye may look slightly pink or red, but not as red as in other types of uveitis.

6. Sensitivity to Light (Photophobia)
   Bright lights can feel uncomfortable, so patients may squint or close their eyes in sunlit areas.

7. Tearing or Watery Eyes
   Mild inflammation can trigger extra tear production, making the eye feel wet or teary.

8. Feeling of Fullness or Pressure Behind the Eye
   As pressure builds inside, it can feel like a heavy weight pushing behind the eyeball.

9. Episodes Last Hours to Days
   Attacks can last from just a few hours up to a couple of weeks, then quietly subside.

10. Repeated Episodes in the Same Eye
    Patients often notice that the same eye has several attacks over months or years, each with similar mild signs.

11. Interval Symptom-Free Periods
    Between attacks, the eye looks clear, feels normal, and vision returns to baseline.

12. Possible Mild Floaters
    Some people report seeing tiny specks drifting in their vision during an attack—a sign of mild inflammation in the clear gel inside the eye.

13. Slight Vision Loss Over Time
    Although each attack ends, repeated pressure spikes can slowly damage the optic nerve, causing gradual field loss or dimming of vision if untreated.

14. No Severe Eye Discharge
    Unlike infections that produce pus or thick discharge, PSS typically causes only clear tearing without green or yellow mucus.

15. Asymmetry Between Eyes
    One eye shows all the signs of PSS while the other remains completely normal through each episode.

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Diagnostic Tests

(Grouped by category; each group described in a paragraph.)

Physical Exam & Measurements

1. Visual Acuity Test
   Measures how clearly you see letters or symbols on an eye chart, to track any vision loss during an attack.

2. Slit-Lamp Examination
   Uses a bright microscope to look closely at the front of the eye for mild inflammation, tiny white keratic precipitates on the cornea, and corneal swelling Wikipedia.

3. Goldmann Applanation Tonometry
   The gold standard test to measure eye pressure accurately by flattening a small area of the cornea.

4. Rebound Tonometry
   A quick, handheld device that bounces a small probe off the cornea to gauge pressure—useful for frequent checks during an attack.

Manual & Bedside Tests

1. Digital Palpation of the Eye
   In settings without advanced tools, a doctor may gently press on the closed eyelid to estimate high pressure.
2. Gonioscopy
   A special mirrored lens lets the doctor view the angle where fluid drains in the eye, confirming that the angle remains open despite high pressure.
3. Eyelid Eversion
   Flipping the eyelid back to check for hidden conjunctival inflammation or foreign bodies that might mimic PSS.

Laboratory & Pathological Tests

1. Aqueous Humor Tap & PCR
   Removing a tiny sample of fluid from the front chamber to test by polymerase chain reaction (PCR) for viruses like CMV, HSV, or VZV WebEye.
2. Complete Blood Count (CBC)
   Checks for signs of systemic infection or immune response that could hint at an underlying cause.
3. HLA-Bw54 Typing
   A blood test to see if you carry the immune marker linked to some PSS cases.
4. ESR and CRP
   General inflammation markers in the blood; usually normal in PSS but help rule out broader inflammatory diseases.
5. Serology for Herpesviruses
   Blood tests for antibodies against HSV, VZV, or CMV to support infection-related theory.
6. Syphilis & Lyme Serology
   Rules out other infections known to cause uveitis and eye pressure changes.
7. Culture for Helicobacter pylori
   Rarely done on eye fluid, but studies have linked H. pylori antibodies with PSS WebEye.
8. Autoimmune Panel
   Tests like rheumatoid factor or ANA to exclude systemic autoimmune diseases before settling on PSS.

Electrodiagnostic Tests

1. Electroretinography (ERG)
   Measures electrical responses of the retina; normal results help confirm that only the front part of the eye is affected.
2. Visual Evoked Potentials (VEP)
   Tests the optic nerve’s function; normal VEP during attacks supports PSS diagnosis rather than optic neuritis.

Imaging Tests

1. Optical Coherence Tomography (OCT)
   Non-invasive scan of the retina and optic nerve head to look for early glaucomatous damage after repeated attacks.
2. Ultrasound Biomicroscopy
   High-frequency ultrasound to visualize the drainage angle and ciliary body in great detail.
3. Visual Field Perimetry
   Maps peripheral vision to detect any visual field defects caused by pressure spikes over time.

Non-Pharmacological Treatments

1. Aerobic Exercise
   Regular moderate-intensity activities such as brisk walking, cycling, or swimming for 30–45 minutes, 3–5 times weekly, have been shown to lower IOP by improving aqueous humor outflow and ocular blood flow. Exercise also supports overall vascular health, reducing risk factors for glaucoma progression Glaucoma Research Foundation.

2. Strength Training
   Light resistance exercises (e.g., weight machines or resistance bands) can modestly lower IOP by enhancing ocular perfusion and optimizing neurovascular coupling in the optic nerve head Glaucoma Research Foundation.

3. Avoidance of Inverted Yoga Poses
   Poses like headstands or downward dog can transiently raise IOP. Patients with PSS should either skip such positions or perform them under guidance, to prevent spike-related optic nerve stress glaucoma.org.au.

4. Digital Ocular Massage
   Gentle manual pressure on the closed eyelid can temporarily enhance trabecular outflow and modestly lower IOP during acute spikes. It should be performed by trained practitioners to avoid injury WebEye.

5. Head Elevation During Sleep
   Using a wedge pillow to keep the head 20–30° above the heart overnight can reduce nocturnal IOP elevations by 2–3 mmHg, easing optic nerve perfusion stress EyeWiki.

6. Warm Compresses
   Applying a warm, moist eye pad for 5–10 minutes can improve circulation around the eye and may support outflow facility, especially between attacks EyeWiki.

7. Mindfulness and Stress Reduction
   Techniques such as meditation, deep-breathing, or guided imagery can lower systemic cortisol and catecholamine levels, which in turn may decrease IOP and inflammation PMC.

8. Sleep Hygiene
   Maintaining consistent bedtimes, avoiding screens before bed, and ensuring 7–8 hours of quality sleep helps stabilize circadian IOP rhythms and supports ocular recovery between crises EyeWiki.

9. Smoking Cessation
   Tobacco smoke damages microvasculature and raises oxidative stress in the trabecular meshwork; quitting can therefore improve ocular blood flow and outflow resistance EyeWiki.

10. Limiting Caffeine
    High caffeine intake (e.g., strong coffee) can cause transient IOP spikes in susceptible individuals; reducing intake to ≤200 mg/day can help maintain steadier pressure PMC.

11. Hydration Management
    Sipping water throughout the day rather than consuming large volumes at once prevents rapid ocular perfusion changes that could spike IOP EyeWiki.

12. Biofeedback Training
    Guided sessions teaching patients to consciously modulate autonomic tone (e.g., slow heart rate) can indirectly lower IOP and ocular inflammation EyeWiki.

13. Acupuncture
    Some small studies suggest periocular acupuncture may improve outflow facility via modulation of ciliary body blood flow, though evidence remains preliminary EyeWiki.

14. Cold Compresses Between Episodes
    Applying cool packs can help reduce low-grade inflammation and discomfort in the intercritical period EyeWiki.

15. Controlled Breathing Exercises
    Techniques like 4-7-8 breathing can lower systemic and ocular perfusion pressure fluctuations, helping stabilize IOP PMC.

16. Magnetic Therapy
    Experimental use of weak ocular magnets has been explored to enhance aqueous outflow, but remains unproven and should only be done in trials EyeWiki.

17. Nasal Breathing Practices
    Nasal breathing during meditation supports parasympathetic tone, aiding ocular homeostasis and mild IOP reduction PMC.

18. Foot Reflexology
    Although anecdotal for ocular conditions, reflexology targeting eye-related zones may promote systemic relaxation and microvascular flow EyeWiki.

19. Sunlight Exposure
    Brief morning sunlight (10–15 minutes) can help regulate circadian rhythms affecting IOP, though direct ocular UV exposure should be avoided with protective eyewear EyeWiki.

20. Environmental Humidity Control
    Maintaining moderate indoor humidity (40–60%) avoids ocular surface drying, which can induce reflex uveitis and transient IOP changes EyeWiki.

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Drug Treatments

1. Prednisolone Acetate 1% Eye Drops
   Class: Corticosteroid; Dosage: 1 drop Q1–4 h during acute flare; Purpose: Suppress uveal inflammation; Mechanism: Inhibits prostaglandin synthesis; Side Effects: Risk of steroid-induced glaucoma, cataract formation Wikipedia.

2. Brimonidine Tartrate 0.2% Eye Drops
   Class: α₂-agonist; Dosage: 1 drop BID; Purpose: Lower IOP; Mechanism: Decreases aqueous humor production and increases uveoscleral outflow; Side Effects: Ocular allergy, dry mouth WebEye.

3. Timolol Maleate 0.5% Eye Drops
   Class: Non-selective β-blocker; Dosage: 1 drop BID; Purpose: Lower IOP; Mechanism: Reduces aqueous production; Side Effects: Bradycardia, bronchospasm WebEye.

4. Dorzolamide 2% Eye Drops
   Class: Carbonic anhydrase inhibitor; Dosage: 1 drop TID; Purpose: Lower IOP; Mechanism: Inhibits aqueous secretion; Side Effects: Ocular stinging, dysgeusia WebEye.

5. Acetazolamide 250 mg Tablets
   Class: Oral carbonic anhydrase inhibitor; Dosage: 250 mg QID during acute spike; Purpose: Rapid IOP reduction; Mechanism: Decreases bicarbonate formation and aqueous secretion; Side Effects: Paresthesia, diuresis, metabolic acidosis WebEye.

6. Apraclonidine 1% Eye Drops
   Class: α₂-agonist; Dosage: 1 drop Q⟵1 h (max 4 drops); Purpose: Acute spike control; Mechanism: Decreases aqueous production; Side Effects: Lid retraction, tachyphylaxis EyeWiki.

7. Latanoprost 0.005% Eye Drops
   Class: Prostaglandin analog; Dosage: 1 drop qHS; Purpose: Lower IOP prophylactically; Mechanism: Enhances uveoscleral outflow; Side Effects: Iris pigmentation, lash growth Wikipedia.

8. Methazolamide 25–50 mg Tablets
   Class: Oral carbonic anhydrase inhibitor; Dosage: 25 mg BID; Purpose: Alternative when acetazolamide not tolerated; Mechanism: Similar to acetazolamide; Side Effects: Less CNS penetration, similar systemic effects Wikipedia.

9. Pilocarpine 2% Eye Drops
   Class: Miotic; Dosage: 1 drop QID; Purpose: Increase trabecular outflow; Mechanism: Contracts ciliary muscle; Side Effects: Brow ache, miosis Wikipedia.

10. Mannitol 20% IV Infusion
    Class: Osmotic diuretic; Dosage: 1–2 g/kg over 30–60 min; Purpose: Rapidly lower dangerously high IOP; Mechanism: Creates osmotic gradient drawing fluid from eye; Side Effects: Volume overload, electrolyte shift Wikipedia.

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Dietary Molecular Supplements

1. Vitamin C (Ascorbic Acid) – 500 mg/day; an antioxidant that scavenges free radicals in the trabecular meshwork, reducing oxidative damage and supporting aqueous outflow EyeWiki.

2. Vitamin E (α-Tocopherol) – 400 IU/day; protects cell membranes in the optic nerve head against lipid peroxidation EyeWiki.

3. Omega-3 Fatty Acids – 1 g/day; anti-inflammatory progenitors that improve ocular blood flow and modulate cytokine release glaucoma.org.au.

4. Magnesium – 300 mg/day; a vasodilator that enhances optic nerve head perfusion EyeWiki.

5. Ginkgo Biloba Extract – 120 mg/day; increases ocular microcirculation and has antioxidant properties, shown to slow visual field loss in low-pressure glaucoma PMCPLOS.

6. Coenzyme Q10 – 100 mg/day; supports mitochondrial function in retinal ganglion cells, reducing apoptosis EyeWiki.

7. Alpha-Lipoic Acid – 200 mg/day; regenerates other antioxidants and stabilizes mitochondrial membranes EyeWiki.

8. Curcumin – 500 mg/day; inhibits inflammatory cytokines in uveal tissue, helping moderate immune-mediated spikes EyeWiki.

9. Resveratrol – 150 mg/day; promotes neuroprotection of retinal ganglion cells through sirtuin activation EyeWiki.

10. Lutein/Zeaxanthin – 10 mg/2 mg daily; filters blue light, reducing photo-oxidative stress in ocular tissues EyeWiki.

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Regenerative and Stem-Cell-Oriented Drugs

1. Rho-Kinase Inhibitors (Netarsudil) – 0.02% eye drops nightly; enhances trabecular outflow via cytoskeletal relaxation of trabecular meshwork cells Wikipedia.

2. Neurotrophic Factor Mimetics (Brimonidine Trophic) – under trial; designed to simulate BDNF to protect retinal ganglion cells from degeneration Glaucoma Today.

3. Mesenchymal Stem Cell Secretome Drops – experimental; contains growth factors and exosomes to modulate inflammation and support tissue repair in the anterior segment PMC.

4. Bone Marrow-Derived Stem Cell Injection (SCOTS Trial) – autologous cells injected periocularly to promote neuroprotection in optic nerve head ClinicalTrials.gov.

5. Induced Pluripotent Stem Cell-Derived Trabecular Meshwork Cells – in preclinical studies, introduced into trabecular meshwork to restore outflow facility PMC.

6. Gene Therapy (MYOC Silencing) – AAV-mediated silencing of mutated myocilin in trabecular meshwork, aiming to prevent IOP spikes in susceptible individuals PMC.

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Surgical Procedures

1. Trabeculectomy
   A partial-thickness flap is created in the sclera with a small ostomy to allow aqueous drainage into a subconjunctival bleb. It remains a gold standard for medically uncontrolled PSS to prevent optic nerve damage EyeWiki.

2. Ahmed Glaucoma Valve Implant
   A silicone tube shunts aqueous from the anterior chamber to a plate under the conjunctiva, used when trabeculectomy has failed or scarring risk is high Wikipedia.

3. XEN Gel Stent (MIGS)
   A 6 mm gelatin stent placed ab interno to create a permanent subconjunctival channel with minimal tissue disruption, offering rapid recovery and fewer complications Wikipedia.

4. Preserflo Microshunt
   An 8 mm SIBS micro-tube inserted beneath the conjunctiva to lower IOP with a consistent outflow pathway, reducing medication burden post-op Wikipedia.

5. Canaloplasty
   A microcatheter dilates Schlemm’s canal with viscoelastic, restoring physiologic outflow without permanent shunt implantation, beneficial in early refractory PSS Wikipedia.

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Preventions

1. Attend regular ophthalmology follow-ups for IOP monitoring.

2. Adhere strictly to prescribed eye drops even between attacks.

3. Maintain consistent sleep and meal schedules.

4. Avoid prolonged screen time without breaks.

5. Wear protective eyewear in windy or dusty environments.

6. Manage systemic hypertension and diabetes.

7. Abstain from smoking and limit alcohol intake.

8. Control stress through relaxation techniques.

9. Keep indoor humidity moderate to prevent ocular surface dryness.

10. Use sunglasses to shield from UV-induced oxidative stress.

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When to See a Doctor

Seek immediate care if you experience sudden severe vision loss, persistent eye pain, colored halos, or if IOP remains above 30 mmHg despite at-home management, as these signs can herald optic nerve compromise or secondary angle closure NCBI.

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What to Eat and What to Avoid

• Eat: Leafy greens (spinach, kale), berries, oily fish, nuts, citrus fruits, and whole grains for antioxidant, omega-3, and nitric oxide support.

• Avoid: Excess caffeine, high-salt processed foods, trans fats, simple sugars, and alcohol bingeing, all of which can destabilize systemic and ocular hemodynamics.

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Frequently Asked Questions

1. Can PSS be cured?
   There is no cure, but prompt treatment of flares and preventive therapy can preserve vision long-term.

2. Is PSS hereditary?
   It is generally sporadic, with no clear inheritance pattern.

3. Will my other eye get PSS?
   It is usually unilateral; bilateral cases are rare (<5 %).

4. Does stress trigger attacks?
   Stress may play a role; relaxation techniques are recommended.

5. Can contact lenses worsen PSS?
   Hard lenses are discouraged during active inflammation; soft lenses may be resumed once eye is quiet.

6. Are vision changes permanent?
   Blurring during an attack typically resolves; repeated uncontrolled spikes risk permanent loss.

7. Can I drive during an attack?
   No—vision may be impaired and treatment needed to lower IOP immediately.

8. Is surgery always needed?
   Most can be managed medically; surgery is reserved for refractory or high-risk optic nerves.

9. Can I exercise during treatment?
   Yes, moderate exercise helps but avoid inverted yoga or heavy straining.

10. Will supplements replace medicine?
    No—they support but do not substitute for prescribed IOP-lowering drugs.

11. Is caffeine off-limits?
    Limit but small amounts are usually tolerated.

12. Do I need imaging tests?
    Periodic OCT and visual fields track nerve health and guide therapy.

13. Can PSS cause blindness?
    If untreated or poorly controlled, secondary glaucoma can lead to significant vision loss.

14. How often are attacks?
    Frequency varies from monthly to once every few years.

15. Is PSS linked to other eye diseases?
    It may predispose to primary open-angle glaucoma if chronic IOP elevations recur.

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: August 04, 2025.