Hydroxychloroquine 200mg Tablet
An Immunomodulatory Agent for Autoimmune & Infectious Conditions
🔬 What Is It?
Hydroxychloroquine 200mg is an oral medication used to treat various autoimmune diseases and malarial infections. It is widely prescribed for rheumatoid arthritis, lupus erythematosus, and as a prophylactic or treatment for malaria caused by Plasmodium species.
💊 Active Ingredient and How It Works
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Hydroxychloroquine sulfate (200mg)
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Class: Antimalarial and Disease-Modifying Anti-Rheumatic Drug (DMARD)
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Mechanism: It interferes with the activity of immune cells and reduces inflammation. In malaria, it accumulates in parasite-infected cells, disrupting parasite growth and survival.
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🧾 How to Use
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Dosage: Depends on the condition being treated.
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For autoimmune diseases (e.g., lupus, rheumatoid arthritis): Taken once or twice daily.
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For malaria: Used for prevention or treatment, often in short courses.
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Administration: Take with food or a glass of milk to reduce stomach upset.
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Swallow whole; do not crush or chew.
Always follow your doctor’s dosage instructions closely.
⚠️ Common Side Effects
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Nausea or vomiting
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Headache
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Loss of appetite
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Abdominal pain
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Skin rash
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Visual disturbances (e.g., blurry vision)
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Dizziness or tiredness
These side effects are often mild and go away with continued use.
🚨 Serious Side Effects (Seek Immediate Medical Help)
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Retinal toxicity or vision loss (can be permanent)
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Severe allergic reaction (swelling, rash, difficulty breathing)
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Muscle weakness
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Hearing loss or ringing in the ears
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Irregular heartbeat (especially in those with preexisting heart conditions)
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Mood changes or suicidal thoughts
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Liver function issues (dark urine, yellowing of skin/eyes)
🩺 Monitoring & Follow-Up
Long-term users need regular monitoring, including:
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Eye exams every 6–12 months to detect retinal damage early
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Liver function tests and blood counts periodically
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ECG or heart monitoring in at-risk individuals
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Monitor for signs of muscle weakness or neuropsychiatric symptoms
Report any visual symptoms or unusual reactions promptly.
⚠️ Warnings & Precautions
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Avoid in patients with retinal or visual field changes
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Use cautiously in patients with heart conditions (risk of QT prolongation)
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Not recommended in children under 6 years
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Pregnancy Category C: Use only if clearly needed
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Avoid alcohol to reduce liver toxicity
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Can interact with digoxin, antidiabetics, and other antimalarials
📝 Summary
Hydroxychloroquine 200mg tablet is a versatile medication that treats autoimmune disorders and malaria by modifying immune responses and disrupting parasite growth. It is generally well tolerated but requires regular monitoring, especially of eye health and liver function, to prevent serious complications. Adherence to prescribed doses and periodic follow-up are key to safe use.
Note: This information is intended for educational purposes and should not replace professional medical advice. Always consult a healthcare provider for personalized guidance.
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