Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. What is chloroquine sulphate used for Does plaquenil help with allergies Hydroxychloroquine sulfate tablets, USP are white, to off-white, capsule-shaped tablets, debossed "HCQS" on one side and plain on the reverse side and are available in bottles of 10, 100, 5. Each tablet contains 200 mg hydroxychloroquine sulfate, USP equivalent to 155 mg base. NDC 51660-296-03 Bottles of 10 Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil 200 mg indications Plaquenil Oral Uses, Side Effects, Interactions, Pictures, Warnings., Hydroxychloroquine Oral Tablet 200Mg Drug Medication Dosage Information Is plaquenil ok with flu shotChloroquine aralen is effective in treating the what stage Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Plaquenil hydroxychloroquine sulfate dosing, indications.. Plaquenil Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Indications, Side Effects, Warnings -. Following a single 200 mg oral dose of PLAQUENIL to healthy males, the mean peak blood concentration of hydroxychloroquine was 129.6 ng/mL, reached in 3.26 hours with a half-life of 537 hours 22.4 days. 50.3 ng/mL reached in 3.74 hours with a half-life of 2963 hours 123.5 days. Recommended doses of the medication vary according to the condition being treated. Rheumatoid arthritis The usual adult starting dose is 400 mg to 600 mg daily. It may take several weeks before the beneficial effects of hydroxychloroquine for the treatment of rheumatoid arthritis are seen. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda.