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 dosage per weight Hydroxychloroquine multiple sclerosis 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. Since the drug is cumulative in its effects you may be having an allergic reaction. My Father had the same reaction took him 3 weeks to develop it and he had to stop. It took 2 weeks for the rash to go away, but it was the Plaquenil. Now he's on Methotrexate and doing well. SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. 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. Allergic reaction from generic to plaquenil Hydroxychloroquine Side Effects Common, Severe, Long Term -, Plaquenil = Rash? lupus Best way to take plaquenilPlaquenil and strokePlaquenil and hydroxychloroquine Has anyone else had an allergic reaction to Plaquenil? I broke out in hives, all over my body and in my mouth! I was told it was a mid-level reaction to the drug and to stop taking it immediately. I was diagnosed by a very expensive series of blood tests with UCTD, mild Lupus and mild Sjogren’s Syndrome. Allergy to Plaquenil - Lupus - Inspire. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil allergy signs - Answers on HealthTap. What is Plaquenil? Plaquenil is a drug used in the acute treatment of malaria. It is also used in the long –term treatment of rheumatoid arthritis and lupus erythematosus. Its generic name is hydroxychloroquine sulfate. Chloroquine has been replaced with hydroxychloroquine as it has less side effects. Eye Exam Before Starting Treatment Sep 13, 2019 Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. 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 I was on the generic for less than a year and had to switch to the name brand because of intense itching and rashes. I did not realize the generic had Sulfa in it and I am allergic to Sulfa. No wonder! Also, after over two years of being on the name brand I had to get off it for the same allergic reaction.