It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Plaquenil side effects teeth What are altered effects of hydroxychloroquine Chloroquine and arthritis Plaquenil. Uses. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of. Side Effects. Precautions. Interactions. It may take up to six months before the full benefits of Plaquenil are realized. Dosage The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. Plaquenil is most known for its original purpose treating and preventing malaria. Malaria is a disease caused by parasites that can enter the body through a mosquito bite. The essential ingredient, known as quinine, is derived from the bark of the cinchona plant. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Health benefits of plaquenil PATIENT FACT SHEET Hydroxychloroquine Plaquenil, Taking Plaquenil for Rheumatoid Arthritis - Verywell Health Plaquenil toxicity bull's eye maculopathyPlaquenil and lexaproHydroxychloroquine 200 mg highAvailable doses of hydroxychloroquine Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Hydroxychloroquine for Lupus - LupusCorner. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine Plaquenil is also a disease-modifying anti-rheumatic drug DMARD used to treat both acute and chronic rheumatoid arthritis, systemic lupus erythematosus, and discoid lupus erythematosus. Hydroxychloroquine 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. This medicine is not effective against all strains of malaria. You may report side effects to Health Canada at 1-866-234-2345. PRECAUTIONS Before taking hydroxychloroquine, tell your doctor or pharmacist if you are allergic to it; or to other aminoquinolines e.g. chloroquine; or if you have any other allergies.