It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Hydroxychloroquine for crest syndrome Plaquenil alcohol liver Is chloroquine safe during pregnancy Plaquenil comes in 200 milligram mg tablets that are taken by mouth. To prevent malaria in adults, two tablets are typically taken once a week, on the same day each week. 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. 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. It is taken by mouth. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil 200 Hydroxychloroquine Plaquenil, Hydroxychloroquine Oral Tablet 200Mg Drug Medication Dosage. Chloroquine proguanil priceChloroquine phosphate tablets ip 250 mg usesSide effect of hydroxychloroquine sulfatePlaquenil sun reactionRetinal thinning in plaquenil toxicity Description and Brand Names. Drug information provided by IBM Micromedex US Brand Name. Plaquenil; Descriptions. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Hydroxychloroquine Oral Route Description and Brand Names.. Hydroxychloroquine - Wikipedia. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. One Plaquenil tablet contains 200 mg of hydroxychloroquine sulfate, which is equivalent to 155 mg base. Take Plaquenil with a meal or a glass of milk. Malaria. Prophylaxis Adults 400 mg 310 mg base once weekly on the same day of each week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. Following a single 200 mg oral dose of hydroxychloroquine sulfate 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. 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. Visit for more details.