Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Fundus plaquenil Is mefloquine hydroxychloroquine Chloroquine antimalarial Hydroxychloroquine gingival hyperplasia Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. This will give you the best chance of treating lupus and avoiding problems with your skin, joints, and. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil and skin issues Plaquenil Use in Autoimmune Diseases, Hydroxychloroquine Side Effects, Dosage, Uses, and More Hydroxychloroquine side effectsWhat is plaquenil given forChloroquine diphosphate solubilityMechanism of chloroquine action Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. What Is Plaquenil? - American Academy of Ophthalmology. Lupus-Specific Skin Disease and Skin Problems Most people with lupus experience some sort of skin involvement during the course of their disease. In fact, skin conditions comprise 4 of the 11 criteria used by the American College of Rheumatology for classifying lupus. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. I've kinda noticed the same thing but I have a lactose intolerance. It wasn't as severe as it was when I was a child until I started Plaquenil. When I started Plaquenil almost 2 months ago I assumed the GI issues were a side effect and it would eventually go away but it hasn't. I'm going to bring it up to my rheumy when I see him.