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. What is the best time of day to take hydroxychloroquine Does plaquenil affect healing after bone surgery Who makes hydroxychloroquine Chloroquine clinical trials cancer 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 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 oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. 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. Hydroxychloroquine for low platelets Causes, Symptoms, and Treatment for Low Platelets, Hydroxychloroquine MedlinePlus Drug Information Chloroquine bioavailability Plaquenil is effective for Lupus patients, as well as people with UCTD described to me by a rheumatologist as "Lupus-like" or "Lupus-lite" or "mild Lupus". So it's very possible to be on Plaquenil without having a formal Lupus diagnosis. To get a Lupus diganosis you need to have 4 or more of 11 Lupus criteria, within a 5 year period. Plaquenil -. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine Side-effects, uses, time to work. Because her platelet count had increased to 72,000/mm 3, her prednisone dose was tapered from 40mg to 15mg. The patient’s platelet count had increased to 301,000/mm 3 6 weeks after her initial visit and she was therefore maintained on Plaquenil® hydroxychloroquine, vitamin D 50,000IU once a week and prednisone tapered to 7.5mg. Hydroxychloroquine HCQ is commonly used in both cutaneous and systemic lupus due to its immunomodulatory properties. In a previous report on lupus-associated immune thrombocytopenia ITP, it has been suggested that HCQ could have an effect on the platelet count in this setting Arnal C et al. J Rheumatol 2002. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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.