But for those who have chronic hives, or urticaria, the condition can seem relentless.“Chronic idiopathic hives are itchy red welts that persist for at least six weeks and have no known cause,” says Miriam Anand, MD, an allergist with Allergy Associates and Asthma in Tempe, Arizona. The condition is marked by periods of exacerbation and remission, and for many who have it, the hives may persist for more than five years. Plaquenil malaria dose Lupus plaquenil prednisone Plaquenil for inflammatory arthritis 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. INTRODUCTION — Chronic spontaneous urticaria CSU, also called chronic idiopathic urticaria, is defined by the presence of urticaria hives on most days of the week, for a duration of six weeks or longer. Associated angioedema occurs in about 40 percent of patients. Chronic Hives Causes. Lasting 6 weeks or longer, chronic hives causes red, raised welts on the skin that may be pea-sized or massed together to form large blotches. There is no visual difference between acute hives lasting less than 6 weeks and chronic hives also known as chronic urticaria. While you may already be aware of common triggers, such as allergies to pollen, pet dander, and shellfish, here are some lesser-known triggers of chronic hives:1. If you have chronic hives, it’s important to try to identify your triggers, if possible, and take steps to avoid them so you can lower the risk of an exacerbation. Plaquenil chronic hives Lupus-Specific Skin Disease and Skin Problems Johns Hopkins., UpToDate Plaquenil tablet canadaPlaquenil and detached retina Oct 23, 2019 Hives urticaria are red, itchy welts that result from a skin reaction. The welts vary in size and appear and fade repeatedly as the reaction runs its course. The condition is considered chronic hives if the welts appear for more than six weeks and recur frequently over months or years. Often, the cause of chronic hives is not clear. Chronic hives - Symptoms and causes - Mayo Clinic. Chronic Hives Causes - Quick Care. Hydroxychloroquine Efficacy in Chronic Urticaria - Full Text.. Jun 24, 2014 Plaquenil - I have started having a terrible rash/hives I don't know what is causing it I have been? Asked by pweathers91 Updated 24 June 2014 Topics Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Apr 10, 2019 Plaquenil side effects. Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye.