It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Chloroquin family Chloroquine-medicated salt What is hydroxychloroquine 200 mg used for Plaquenil time to take effect Jun 23, 2018 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. I am still fighting this allergic reaction. I just spent a few days in the hospital on IV steroids. they said that Plaquenil can take up to 50 days to clear the body. Anyone else had to deal with this? How long did it take to clear up? Any helpful tips? Also, on a facebook page some people posted pics of their Lupus rashes. When treating lupus or arthritis, hydroxychloroquine is usually given daily for several weeks or months. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 6 months of treatment. While using hydroxychloroquine, you may need frequent blood tests and vision exams. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Symptoms of allergic reaction to plaquenil The Risk of Retinal Toxicity with Plaquenil, Allergic reaction to Plaquenil Lupus Forums at The Lupus Site What is plaquenil used to treat Doctor agreed Hydroxychloroquine This is a medication that is classified as an antimalarial drug. However, it has a number of other uses including lupus, arthritis, and various other autoimmune disorders. As with other drugs, an allergic reaction may be manifested by rash, headaches, blurred vision, or GI upset. Plaquenil allergy signs - Answers on HealthTap. Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine Uses, Side.. Plaquenil Side Effects Common, Severe, Long Term -. Plaquenil Do not take Plaquenil if you have ever had an allergic reaction to hydroxychloroquine, chloroquine, or related products or any of the ingredients listed under "Product Description". If you are uncertain whether you have had an allergic reaction to a related product ask your doctor or pharmacist. The symptoms of an allergic reaction PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Common Plaquenil side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss.