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. Hydroxychloroquine increase creatinine Hydroxychloroquine retinal deposits Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Detailed Hydroxychloroquine dosage information for adults and children. Includes dosages for Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria Prophylaxis and more; plus renal, liver and dialysis adjustments. Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. In a small percentage of patients, side effects may require temporary reduction of the initial. 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. Normal dosage for plaquenil Taking Plaquenil for Rheumatoid Arthritis, Hydroxychloroquine Dosage Guide with Precautions - Is plaquenil a immunosuppressantChloroquine and tlr signalingPlaquenil generic Plaquenil Dosage Plaquenil comes in 200 milligram mg tablets that are taken by mouth. To prevent malaria in adults, two tablets are typically taken once a week, on the same day each week. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Dosage Guide -. Plaquenil hydroxychloroquine sulfate dose, indications.. 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 is in a class of medications that was first used to prevent and treat malaria. A cookie-cutter approach to dosing Plaquenil hydroxychloroquine, Sanofi-Aventis, an anti-malarial drug that has been used as a treatment for systemic lupus erythematosus and rheumatoid arthritis. Abstract. Background The American Academy of Ophthalmology recommendations on screening for chloroquine CQ and hydroxychloroquine HCQ retinopathy are revised in light of new information about the prevalence of toxicity, risk factors, fundus distribution, and effectiveness of screening tools.