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. Taking plaquenil and drinking alcohol Treatment of severe chloroquine poisoning What is the best time of day to take plaquenil Plaquenil pregnancy class If you are also taking kaolin or antacids, take them at least 4 hours before or after using hydroxychloroquine. Dosing. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. Hydroxychloroquine comes as a tablet to take by mouth. For prevention of malaria in adults, two tablets are usually taken once a week on exactly the same day of each week. The first dose is taken 1 to 2 weeks before traveling to an area where malaria is common, and then doses are continued for 8 weeks after exposure. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage. Hydroxychloroquine comes as a tablet to take by mouth. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Hydroxychloroquine doses Hydroxychloroquine DermNet NZ, Hydroxychloroquine MedlinePlus Drug Information Chloroquine poisoning Mar 17, 2019 Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine dosage recommendations often ignored.. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 400–600 mg per day, given as a single daily. Hydroxychloroquine? Both adults and children should take one dose of hydroxychloroquine per week starting at least 1 week. before traveling to the area where malaria transmission occurs. They should take one dose per week while there, and for 4 consecutive weeks after leaving. The weekly dosage for adults is 310mg base 400mg salt. 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.