It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Chloroquine and itching skin What happens if you stop taking your plaquenil Hydroxychloroquine eye damage Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Hydroxychloroquine sulfate is a colorless crystalline solid, soluble in water to at least 20 percent; chemically the drug is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. What is hydroxychloroquine sulfate 200 Hydroxychloroquine Professional Patient Advice -, Plaquenil hydroxychloroquine sulfate dosing, indications. Can you take plaquenil with benadryl Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. HYDROXYCHLOROQUINE SULFATE. SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. What forms does this medication come in? Each white, film-coated, peanut-shaped tablet with "HQ 200" on one side and "G" on the other contains 200 mg of hydroxychloroquine sulfate equivalent to 155 mg of base. View drug images for hydroxychloroquine sulfate. NOTE This sheet is a summary. It may not cover all possible information.