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. Chloroquine diphosphate packaging Hydroxychloroquine for autoimmune Chloroquine rheumatoid arthritis Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Hi there, been on plaquenil for many years. Now I have recently gained some weight so my rheumatologist increased my dosage with the new guidelines. She told me to split the pill in half. I did. 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. Plaquenil doses lupus Hydroxychloroquine Plaquenil, Plaquenil hydroxychloroquine sulfate dosing, indications. Chloroquine phosphate freshwater How to use Plaquenil. Lupus and/or rheumatoid arthritis patients will most likely take this medication by mouth, usually once or twice daily or as directed. Hydroxychloroquine generally is given to adults in doses of 200 mg or 400 mg per day. In some cases, higher doses can be used. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. Plaquenil dosage Hi there, been on plaquenil for. - LUPUS UK. Plaquenil - FDA prescribing information, side effects and uses. Plaquenil is also known by its drug name, Hydroxychloroquine. Plaquenil may be prescribed at a low dose for maintenance, or at a high dose to control acute flare-ups. Plaquenil is a disease-modifying drug originally developed to treat malaria. Plaquenil is believed to work by interfering in communication between the cells of the immune system. 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. Side effects, drug interactions, pregnancy safety information, and dosage information should be reviewed prior to taking this medication. The recommended Plaquenil dosage for malaria prevention is 400 mg once weekly, starting two weeks before the anticipated exposure. The usual starting dosage for treating lupus is 400 mg once or twice a day, and the recommended starting dose for the treatment of rheumatoid arthritis is 400 to 600 mg daily.