Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Lupus and plaquenil side effects Plaquenil rash pictures What medicinescannot be taken with plaquenil Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 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. With Plaquenil, however, the most commonly prescribed anti-malarial, this sort of damage occurs only in 1 out of 5,000 people who take the drug for five years or more. For this reason though, it is important that you see an ophthalmologist for an exam before starting to take an anti-malarial medication for your lupus. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil urticaria Hydroxychloroquine - Side Effects, Dosage, Interactions., Plaquenil Side Effects Common, Severe, Long Term - Plaquenil drug companyPictures of chloroquine tabletsPlaquenil and effects on growing fetusHydroxychloroquine and white spots on skin Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Oral Uses, Side Effects, Interactions.. Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus.. Plaquenil Uses, Dosage & Side Effects -. Plaquenil. It was originally made for Lupus, which is also an auto immune disease, but apparently it helps in the treatment of hives. I am so excited to start taking and finally be able to get some relief from all of this! I spent the evening in the ER with hives. The ER doctor thinks that it is the plaquenil causing the hives. When I got home I googled plaquenil allergy and I found some pics of hives from plaquenil and that's exactly what my hives look like. 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.