US matches: Further information on drug naming conventions: International Nonproprietary Names. Important Notice: The international database is in BETA release. Plaquenil to treat skin rash Symptoms of hydroxychloroquine 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 Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine has also been used as therapy of porphyria cutanea tarda where it seems to act by increasing excretion of porphyrins. Hydroxychloroquine is available in generic forms and under the brand names of Plaquenil in tablets of 200 mg. The usual dose is 400 mg daily in one or two divided doses. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. This means it is still under development and may contain inaccuracies. Hydroxychloroquine generic and brand names Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Cq chloroquineAralen 250 mg dosage 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. Brand names. Plaquenil. Hydroxychloroquine MedlinePlus Drug Information. Hydroxychloroquine - LiverTox - NCBI Bookshelf. Hydroxychloroquine - Wikipedia. Important information about your drugs should be reviewed prior to taking any prescription drug. Side effects, drug interactions, warnings and precauctions, dosage, what the drug is used for, what to do if you miss a dose, how the drug is to be stored, and generic vs. brand names. View all Brand Names. Hydroxychloroquine is a 4-aminoquinoline antimalarial with actions similar to those of chloroquine but is mainly used in the treatment of SLE. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.