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. Plaquenil standard of care Chloroquine gg 260 Take this medicine with meals or milk to lessen stomach upset, unless otherwise directed by your doctor. Keep using this medicine for the full treatment time, even if you feel better after the first few doses. Your infection may not clear up if you stop using the medicine too soon. For patients taking hydroxychloroquine to prevent malaria Taking hydroxychloroquine? As with all medicines, some people may experience side effects from taking hydroxychloroquine. Effects on the eye The most important side effect of. hydroxychloroquine is on the eye. Blurred vision may occur in the first few weeks. after starting hydroxychloroquine. This usually returns to normal even when you. Hydroxychloroquine should be used with caution in patients with hepatic disease, a history of alcoholism, or in conjunction with known hepatotoxic drugs. A dosage reduction may be necessary in patients with hepatic disease and in those taking medicines known to affect the liver. 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 medicines are ok to take with hydroxychloroquine Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Hydroxychloroquine – what you can expect when starting. Plaquenil easy bruisingChloroquine reduce cell viability Aug 14, 2017 Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Plaquenil hydroxychloroquine sulfate dose, indications.. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Before using hydroxychloroquine, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions certain heart problems heart failure, slow heartbeat, QT. Hydroxychloroquine is commonly used alongside other disease-modifying drugs including methotrexate – especially for rheumatoid arthritis. However, some drugs can interact with hydroxychloroquine. Indigestion remedies for example, antacids including some over-the-counter preparations can stop hydroxychloroquine being absorbed. Immunosuppressant drugs. Taking methotrexate with hydroxychloroquine has not been studied. It may increase your risk of side effects.