Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Can you use plaquenil if allergic to quinine Hydroxychloroquine and malarone Plaquenil and heart issues Chloroquine-resistance countries The recommended adult dosage is 200 mg to 400 mg 155 mg to 310 mg base daily, administered as a single daily dose or in two divided doses. Doses above 400 mg a day are not recommended. The incidence of retinopathy has been reported to be higher when this maintenance dose is exceeded. Rheumatoid Arthritis Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. Hydroxychloroquine has also been used as therapy of porphyria cutanea tarda where it seems to act by increasing excretion of porphyrins. Hydroxychloroquine is available in generic forms and under the brand names of Plaquenil in tablets of 200 mg. The usual dose is 400 mg daily in one or two divided doses. 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. Hydroxychloroquine 200 mg for rheumatoid arthritis dose Hydroxychloroquine Side-effects, uses, time to work, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Gi problems with hydroxychloroquinePlaquenil eye issues Nov 25, 2019 Usual Adult Dose for Rheumatoid Arthritis. -Initial dose 400 to 600 mg 310 to 465 mg base orally once a day to optimum response usually 4 to 12 weeks -Maintenance dose 200 to 400 mg 155 to 310 mg base orally once a day Dose adjustment The dose may need to be reduced temporarily if adverse side effects occur; Hydroxychloroquine Dosage Guide with Precautions -. Hydroxychloroquine - LiverTox - NCBI Bookshelf. Hydroxychloroquine Plaquenil. 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. Some people tolerate this medication much better than other people, so it is important that individuals who are considering taking hydroxychloroquine talk with their doctor about the lowest necessary dose to reduce or eliminate their symptoms. Hydroxychloroquine is generally prescribed at a daily dose of 6.5 milligrams or less per kilogram of body weight. Using this formula, the dosage for a 150-pound person would be 443 mg/day, as one kilogram equals 2.2 pounds. Because HCQ is formulated as a 200 mg tablet, many people taking it for lupus will take two pills per day. 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. It's important to watch for possible side effects and toxicity.