It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Chloroquine research Rheumatoid arthritis hydroxychloroquine 200 mg Chloroquine high creatinine treatment Your symptoms may improve before the infection is completely cleared. When treating lupus or arthritis, tell your doctor if your symptoms do not improve after 6 months of treatment. Before taking this medicine. You should not use hydroxychloroquine if you are allergic to it. Hydroxychloroquine should not be used for long-term treatment in children. If you develop these symptoms, call 911 or go to the nearest emergency room. Don’t take this drug again if you’ve ever had an allergic reaction to it. Taking it again could be fatal cause death. Drug Information on Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine includes side effects, uses, drug interactions, dosage, drug pictures, overdose symptoms, and what to avoid. Topics A-Z Slideshows Images Quizzes Supplements. Get emergency medical help if you have signs of an allergic reaction hives; difficulty breathing. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Symptoms of plaquenil allergy Plaquenil Hydroxychloroquine - Side Effects, Dosage., Hydroxychloroquine Side Effects, Dosage, Uses, and More Plaquenil urticariaSore bum with hydroxychloroquineIs methotrexate the same as plaquenilAcr hydroxychloroquine Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Long-Term Side Effects of Plaquenil for Rheumatoid.. Plaquenil, Plaquenil Sulfate, Quineprox.. Allergy immunotherapy and lupus flares" Lupus Community.. I can say, however, that I have not had any cross allergic reaction to other drugs sometimes associated with sulfa allergies. Whether you try Plaquenil or not is ultimately up to you and your doctor, but a lot will depend on the type and severity of reactions that you've had. Rashes are certainly a lot less severe than respiratory reactions. I was diagnosed by a very expensive series of blood tests with UCTD, mild Lupus and mild Sjogren’s Syndrome. As far as I know, I have had very few symptoms other than joint pain, fever and skin issues. My Rheumatologist says that Plaquenil is the only medication she can prescribe. 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.