It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Why is plaquenil tier 3 Plaquenil mouth ulcers Does plaquenil For all of you out there. It is possible to develop an allergy to a drug you have been on for a long time. It is more common than you think. To have an allergy you must have been exposed to the allergen or an allergen that is chemically very close to it. For example Plaquenil Your body then makes a chemical that causes the allergic reaction. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Background Hydroxychloroquine sulfate and other antimalarial drugs have been used successfully as adjunctive therapy for patients with cutaneous lesions of dermatomyositis over the past 20 years. An increased incidence of cutaneous reactions to hydroxychloroquine has been postulated to occur. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine allergy Lupus Medicines Hydroxychloroquine - Brigham and Women's., Hydroxychloroquine MedlinePlus Drug Information Withdrawal effects of plaquenilPlaquenil toxicity guidelinePlaquenil and cholesterolPlaquenil cessationPlaquenil first dose May 13, 2015 In summary, there is no confirmatory test for hydroxychloroquine reaction. Progressive dose challenge or measuring G6PD would be my only suggestions. I would avoid the therapy if the reaction was severe and particularly if there is a preceding history of psoriasis, porphyria or liver disease. Hydroxychloroquine reaction AAAAI. Adverse Cutaneous Reactions to Hydroxychloroquine Are More.. Can you take Hydroxychloroquine if you are allergic to.. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. A very serious allergic reaction to. Rarely, hydroxychloroquine can lead to anemia in some individuals. This can happen in individuals with a condition known as G6PD deficiency or porphyria. In rare cases, hydroxychloroquine can cause visual changes or loss of vision. Hydroxychloroquine 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.