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. Plaquenil and 5hr energy Layers of retina affected with plaquenil Plaquenil for sinflammatory oa Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Being diagnosed with a rheumatic disease can be scary and confusing, but with the right knowledge and a qualified rheumatologist and health care team, living well with rheumatic disease is quite possible. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis or juvenile idiopathic arthritis and other autoimmune diseases. 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. Hydroxychloroquine uptodate PATIENT FACT SHEET Hydroxychloroquine Plaquenil, Patient / Caregiver Chloroquine maculopathy Alternatively, hydroxychloroquine may be used at a dose of 620 mg base =800 mg salt po given initially, followed by 310 mg base =400 mg salt po at 6, 24, and 48 hours after the initial dose for a total hydroxychloroquine dose of 1,550 mg base =2,000 mg salt. CDC - Malaria - Diagnosis & Treatment United States - Treatment U. S.. Hydroxychloroquine Plaquenil. Hydroxychloroquine in patients with inflammatory and erosive.. Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question. Hydroxychloroquine HCQ is a disease-modifying anti-rheumatic drug DMARD typically used for the treatment of various rheumatic and dermatologic diseases. Three studies of HCQ in OA, including one abstract and one letter, are available and use a wide variety of outcome measures in small patient populations. 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.