Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Goodrx hydroxychloroquine Does prednisone and plaquenil work for ankylosing spondylitis Plaquenil method of action Chloroquine mechanism of action iodine For long-term use, the dose of hydroxychloroquine is usually reduced to 200 mg to 400 mg daily. Malaria The recommended preventative adult dose is 400 mg on exactly the same day of each week, beginning 2 weeks before exposure and continued for 8 weeks after leaving the high-risk area. Cumulative dose more than 200 g. Plaquenil should be discontinued immediately in any patient who develops a pigmentary abnormality, visual field defect, or any other abnormality not explainable by difficulty in accommodation or presence of corneal opacities. Patients should continue to be observed for possible progression of the changes. 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. 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. 200 mg plaquenil Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Plaquenil 200mg Film-coated Tablets - Summary of Product. Hydroxychloroquine blurred vision due toWhat is aralen Adults—At first, 400 to 600 milligrams mg taken as a single dose or in two divided doses once a day. Then, 200 to 400 mg taken as a single dose or in two divided doses once a day. Your doctor may adjust your dose if needed. However, dose is usually not more than 600 mg or 6.5 mg per kilogram kg of body weight per day, whichever is lower. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Taking Plaquenil for Rheumatoid Arthritis. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine 200 mg-WAT. oval, white, imprinted with WATSON, 698 200. Hydroxychloroquine Sulf 200 mg 009046884. round, white, imprinted with GG 260. Plaquenil 200 mg. peanut, white, imprinted with PLAQUENIL. What are the possible side effects of hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Visit for more details. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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.