Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil skin rash Hydroxychloroquine usos Hydroxychloroquine can also decrease the frequency of RA flares. 3. Hydroxychloroquine is also available in generic forms. What are the ingredients in hydroxychloroquine? The active ingredient in hydroxychloroquine is hydroxychloroquine sulfate. 4. How does hydroxychloroquine work? Hydroxychloroquine is an antimalarial drug. 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. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA 1. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. How does hydroxychloroquine work in the body Plaquenil - Uses, Side Effects, Interactions -, Hydroxychloroquine - Wikipedia Chloroquine diphosphate salt solubilityChloroquine diazepam suicideHydroxychloroquine corneaPlaquenil and hypoglycemia Children—Dose is based on body weight and must be determined by your doctor. At first, 13 mg per kg of body weight taken as a single dose. Then, 6.5 mg per kg of body weight taken 6 hours, 24 hours, and 48 hours after the first dose. However, dose is usually not more than 800 mg for the first dose and not more than 400 mg for the next doses. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Hydroxychloroquine Reviews Everyday Health. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days.