It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Ok to stop taking hydroxychloroquine Plaquenil and metformin together Plaquenil vision effects If you have psoriasis, chloroquine Aralen and hydroxychloroquine Plaquenil can cause problems. Other Medicines That Might Trigger a Flare. A few other drugs to discuss with your doctor include Compare Methotrexate vs Plaquenil head-to-head with other drugs for uses, ratings, cost, side effects, interactions and more. Methotrexate rated 6.7/10 vs Plaquenil rated 6.8/10 in overall patient satisfaction. A study for women aged 60+ who take Meloxicam and Plaquenil together. This study is created by eHealthMe based on reports of 261 people who take Meloxicam and Plaquenil from FDA, and is updated regularly. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Meloxicam and plaquenil Compare Meloxicam vs Plaquenil - Comprehensive Analysis by Treato, Methotrexate vs Plaquenil Comparison - Ms and plaquenilHydroxychloroquine sulfate 200 mg side effectsTerrien's marginal degeneration plaquenil Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Meloxicam and Plaquenil drug interactions for women aged 60+ - from FDA.. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. 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. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days.