Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Chloroquin vs quinine Average weight loss on plaquenil 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. With Plaquenil Plaquenil is manufactured in only a 200 mg tablet The typical dosage is either 200 or 400 mg per day 200 mg daily puts anyone under 68 pounds at risk1 400 mg of Plaquenil daily puts anyone under 135 pounds at a higher risk for toxicity Therefore, 200mg of Plaquenil daily is going to be a safe dosage for virtually all adults13 Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil and wellbutrin Wellbutrin & Adderall Are They Safe to Take Together? Arete, Early Plaquenil Toxicity Detected without Bull’s Eye Maculopathy Effects of hydroxychloroquine on tasteChloroquine generic brand 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. Hydroxychloroquine MedlinePlus Drug Information. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Hydroxychloroquine is a quinoline medicine 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. Revised 10/2011 DAILY MEDICATION USE AND YOUR UPCOMING SURGERY PLEASE take time to thoroughly read this information. It is VERY IMPORTANT for you to know what medications you are taking and to understand what to do about your medications as your surgery date approaches. This appendix provides a table of drug interactions with medications used in other conditions. The British National Formulary BNF includes a summary appendix dedicated to drug interactions. More detailed information can be found in Stockley's Drug Interactions Baxter, 2008. Both of these sources should be checked before adding new drugs to a prescription, particularly if 1 any of the.