Please review the following URL and make sure that it is spelled correctly. Plaquenil (hydroxychloroquine) belongs to a group of medicines called quinolines. Does plaquenil take away the butterfly rash Chloroquine quinine What is hydroxychloroquine 200 mg used for 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. Autoimmune urticaria occurs when the immune system attacks the normal tissues of the body, resulting in hives. The condition becomes chronic when the lesions persists longer than 6 weeks. Chronic autoimmune urticaria has been found to be associated with autoimmune thyroid disease. Chronic urticaria is defined as hives, typically occurring daily, for greater than 6 weeks duration. The associations between chronic urticaria, thyroid disease, and other autoimmune disorders, as well as the implications that this holds for therapeutic intervention are reviewed. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Plaquenil and autoimmune urticaria Urticaria - American Osteopathic College of Dermatology AOCD, Autoimmune urticaria — The Autoimmune Registry Plaquenil before surgery Autoimmune urticaria is a medical condition in which an individual experiences chronic hives, or raised itchy welts, that are not caused by a specific allergen or other identifiable trigger. In this case, the hives could be related to an underlying autoimmune disorder such as lupus or thyroid disease. Chronic urticaria is generally not life. What is Autoimmune Urticaria? with pictures. Chronic Urticaria Hives and Autoimmunity. Plaquenil Uses, Dosage & Side Effects -. If you have chronic hives, thyroid disease may be the cause. And if you have thyroid disease, especially Hashimoto's disease or hypothyroidism, you may develop hives. Up to 30% of people with chronic hives also called urticaria have an underlying autoimmune thyroid disease. Hydroxychloroquine offers potential efficacy for CU and is relatively benign compared with most other therapeutic approaches. OBJECTIVE The aim of the chronic autoimmune urticaria study and evaluation was to evaluate the efficacy of hydroxychloroquine in patients with chronic idiopathic urticaria. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria.