It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Hydroxychloroquine and leflunomide together Hydroxychloroquine sulfate and sun exposure Plaquenil ff erg severe How long til hydroxychloroquine to work 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. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. Hydroxychloroquine works best if it is used according to a regular schedule. This drug should be used exactly as prescribed by your doctor in order to avoid adverse effects. Do not overuse or misuse this drug and do not use it longer than the recommended time. Read all the instructions mentioned in the medication guide. Do not miss any dose. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. What is hydroxychloroquine 200 mg used for Hydroxychloroquine - Side Effects, Dosage, Interactions., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Chloroquine phosphate malaria side effects 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 Plaquenil. Plaquenil Hydroxychloroquine Oral Uses, Dosage & Side Effects. Hydroxychloroquine - Wikipedia. Plaquenil Hydroxychloroquine sulfate is a drug originally used to prevent or treat malaria. Malaria is a serious but rare disease caused by bites from infected mosquitos. Now the drug is used to treat inflammatory diseases. This type of disease occurs when the body's immune system attacks its own healthy tissue. Hydroxychloroquine is a 4-aminoquinoline antimalarial with actions similar to those of chloroquine but is mainly used in the treatment of SLE and rheumatoid arthritis. Hydroxychloroquine is an antimalarial, used for the treatment of malaria. It may also be used to manage discoid or systemic lupus erythematosus and rheumatoid arthritis.