Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine resistance testing Hydroxychloroquine 20 mg Chloroquine Phosphate. Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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. 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. Chloroquine sulfate Hydroxychloroquine Side Effects, Dosage, Uses, and More, Chloroquine Oral Uses, Side Effects, Interactions, Pictures. Checking vision plaquenilChloroquine resistant malaria meaningPlaquenil and lupus 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. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine - Wikipedia. CHLOROQUINE PHOSPHATE - Fishman Chemical, LLC. Chloroquine sulfate United States Pharmacopeia USP Reference Standard Synonym Chloroquine sulfate monohydrate CAS Number 6823-83-2. Empirical Formula Hill Notation C 18 H 28 ClN 3 O 4 S H 2 O. Molecular Weight 435.97. NACRES NA.24 The sulfate and phosphate salts of chloroquine have both been commercialised as antimalarial drugs. Hydroxychloroquine has also been used as an antimalarial, but in addition is now broadly used in autoimmune diseases such as lupus and rheumatoid arthritis. Hydroxychloroquine also known as hydroxychloroquine sulfate is an arthritis medicine. that also can be used to prevent malaria. It is available in the United States by prescription only. It is sold under the brand name Plaquenil and it is also sold as a generic medicine.