Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. How to spell plaquenil Where is sandoz plaquenil produced Can plaquenil cause sun sensitivity Plaquenil comes in 200 milligram mg tablets that are taken by mouth. To prevent malaria in adults, two tablets are typically taken once a week, on the same day each week. Plaquenil 200 mg tablet. This drug is usually started 2 weeks before entering the area with malaria. Take it once weekly while in the area, and continue taking it. Read about hydroxychloroquine Plaquenil, a drug used to treat or prevent malaria, and to treat lupus and rheumatoid arthritis. Read more about the prescription drug hydroxychloroquine Plaquenil. The dose for malaria prevention is 400 mg every week starting 1 or 2 weeks before exposure and for 4 weeks after leaving the high risk area. 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. Plaquenil 2 mg Plaquenil hydroxychloroquine sulfate dose, indications., Plaquenil 200 mg tablet Kaiser Permanente Plaquenil and lupus rashHydroxychloroquine 200 mg suspensionMedication for rheumatoid arthritis plaquenil 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. Drug spotlight on hydroxychloroquine Lupus Foundation of.. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 6.5 mg/kg maximum dose 400 mg should be given. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.