Please review the following URL and make sure that it is spelled correctly. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Hydroxychloroquine 347 Delayed allergic reaction to plaquenil Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine may also be used for purposes not listed in this. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. this for lupus or arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. This medicine is not effective against all strains of malaria. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil arthritis symptoms Treatments for Rheumatoid Arthritis, Plaquenil Oral Uses, Side Effects, Interactions. Symptoms coming off plaquenilHydroxychloroquine and methotrexate interaction Plaquenil hydroxychloroquine is commonly used to help keep mild lupus-related problems, such as skin and joint disease, under control. this drug is also effective at preventing lupus flares. How is plaquenil hydroxychloroquine used to treat lupus?. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil Dosage Guide -. Your symptoms may improve before the infection is completely cleared. When treating lupus or arthritis, tell your doctor if your symptoms do not improve after 6 months of treatment. Before taking this medicine. You should not use Plaquenil if you are allergic to hydroxychloroquine. Plaquenil should not be used for long-term treatment in children. 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. It may take several weeks or months to see improvement if you are taking this for lupus or arthritis. Hydroxychloroquine may not prevent malaria in all cases. If you experience fever or other symptoms of illness, seek immediate medical attention. You may need a different medication.