Plaquenil 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. Remission with plaquenil Hip pain came back plaquenil Hydroxychloroquine ear ringing Marine chloroquine phosphate The lowest doses of 4-aminoquinolines previously used for PCT have been 125 mg of chloroquine or 100 mg for hydroxychloroquine, as in this study, twice weekly. 19, 24–29, 31, 32 Somewhat higher doses 30, 35, 46 are reported as safe and effective and would not require dividing the lowest available dosage forms; much higher doses and dose-escalation regimens have been used 47–51. Generally, hydroxychloroquine is given in 200 mg or 400 mg doses, once per day. Higher doses can sometimes be used, but only in adults and not for all cases. Feb 19, 2020 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. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. What is the lowest dose of plaquenil Hydroxychloroquine Reviews Everyday Health, RA and Hydroxychloroquine How Effective is it for. Plaquenil and iplPlaquenil skin reactionWhat medicines are ok to take with hydroxychloroquine Nov 25, 2019 Initial dose 400 mg 310 mg base orally 1 to 2 times a day; this dose may be continued for several weeks or months, depending on patient response Maintenance dose 200 to 400 mg 155 to 310 mg base orally daily Hydroxychloroquine Dosage Guide with Precautions -. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus.. 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. Irreversible retinal damage observed in some patients who had received hydroxychloroquine sulfate; significant risk factors for retinal damage include daily doses of hydroxychloroquine sulfate greater than 6.5 mg/kg 5 mg/kg base of actual body weight, durations of use greater than five years, subnormal glomerular filtration. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs. It's important to watch for possible side effects and toxicity. For people who weigh less than 80 kg, a lower daily dose is prescribed, up to a maximum of 5 mg/kg of body weight.