Plaquenil 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, and Southern Asia. Plaquenil treatment for scleroderma Side effects bruising methotrexate plaquenil Hydroxychloroquine C18H26ClN3O CID 3652 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. 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 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. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. What is hydroxy chloroquine What Is Hydroxychloroquine? Donald Trump Asks FDA to., Hydroxychloroquine Oral Route Description and Brand Names. Retinal thinning in plaquenil toxicity Medical definition of hydroxychloroquine a drug derived from quinoline that is administered orally in the form of its sulfate C18H26ClN3OH2SO4 to treat malaria, rheumatoid arthritis, and lupus erythematosus. Hydroxychloroquine Medical Definition Merriam-Webster.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Chloroquine MedlinePlus Drug Information. 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 hydroxychloroquine has been shown to improve physical function in up to 80% of patients with rheumatoid arthritis. Plaquenil hydroxychloroquine is commonly used for lupus in children because of less side effects compared to other medications. Plaquenil hydroxychloroquine helps minimize joint damage. Hydroxychloroquine belongs to the family of medicines called antiprotozoals. Protozoa are tiny, one-celled animals. Some are parasites that can cause many different kinds of infections in the body. This medicine is used to prevent and to treat malaria and to treat some conditions such as liver disease caused by protozoa.