Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil immune system Chloroquine fatal dose Does hydroxychloroquine cause leukopenia The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Plaquenil is used to treat. Hydroxychloroquine comes as a tablet to take by mouth. For prevention of malaria in adults, two tablets are usually taken once a week on exactly the same day of each week. The first dose is taken 1 to 2 weeks before traveling to an area where malaria is common, and then doses are continued for 8 weeks after exposure. 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 pill Plaquenil Oral Uses, Side Effects, Interactions., Hydroxychloroquine Side Effects, Dosage, Uses, and More Hydroxychloroquine se puede consumir alcohol 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. Hydroxychloroquine - Wikipedia. Hydroxychloroquine MedlinePlus Drug Information. Hydroxychloroquine Oral Route Description and Brand.. Hydroxychloroquine is used to treat the symptoms of rheumatoid arthritis and systemic lupus erythematosus and to prevent and treat malaria. Includes hydroxychloroquine side effects, interactions and indications. 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. Today’s AMs are hydroxychloroquine Plaquenil®, chloroquine Aralen®, and quinacrine Atabrine®. Quinacrine is no longer marketed in the U. S.; it can be dispensed by a compounding pharmacy, although insurance companies may not pay for it. The antimalarial quinine was first used to treat cutaneous lupus in 1834.