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. Off label uses of plaquenil Chloroquine cancer clinical trial Chloroquine phosphate autophagy 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. Apr 10, 2019 To treat malaria Plaquenil is usually given for 3 days, starting with one high dose followed by a smaller dose during the next 2 days in a row. Take Plaquenil for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Lovell on hydroxychloroquine dosage Each tablet is 400mg. Taken as 2 tablets per week for malaria prevention, 1 tablet once daily for rheumatoid arthritis, and 1 tablet twice daily for lupus. 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. Average dose for plaquenil is 1 tablet daily Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects., Plaquenil Uses, Dosage & Side Effects - Is there a generic for plaquenilWhat lupus symptoms does plaquenil treatWhat is the mechanism of action of chloroquine Adults. 200 mg 155 mg base to 400 mg 310 mg base PO per day, administered as a single dose or in 2 divided doses. Antimalarials and/or glucocorticoids are of benefit and may be used for the treatment of SLE without major organ manifestations; however, judicious use of hydroxychloroquine is recommended. Plaquenil hydroxychloroquine sulfate dose, indications.. Hydroxychloroquine dosage - Doctors answer your questions. Plaquenil Dosage Guide -. 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 read somewhere I can’t remember where it said not to split the plaquenil. Has anyone done this with results. Am suppose to take 340 mg now. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs.