Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Can plaquenil treat vasculitis Chloroquine tablet prescription 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. 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. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Dosage for plaquenil Hydroxychloroquine Side Effects, Dosage, Uses, and More, Plaquenil Dosage - eMedTV Health Information Brought To Life Plaquenil prednisoneWhat is chloroquine mode of actionHow to get chloroquineHydroxychloroquine and ibuprofenChloroquine malaria treatment These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Old malaria drug hydroxychloroquine may help cure.. Avoid coadministration of hydroxychloroquine and doxorubicin if possible. If not possible, closely monitor for increased side effects of doxorubicin including myelosuppression and cardiotoxicity. Dronedarone Severe Dronedarone administration is associated with a dose-related increase in the QTc interval. The increase in QTc is approximately 10 milliseconds at doses of 400 mg twice daily the FDA-approved dose and up to 25 milliseconds at doses of 1600 mg twice daily. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. As for malaria treatment, though Plaquenil can be indicated for the treatment of uncomplicated malaria, the exact mechanism by which this drug works to resolve malaria is largely unknown.