I thought it was a sulfa drug or at least in the same class. I would have thought that the "sulfate" in the name would be a give away? 2 hydroxychloroquine sulfate plaquenil sulfate Chloroquine resistant malaria treatment slideshare Hydroxychloroquine sulfate withdrawal What are the possible side effects of hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Get emergency medical help if you have signs of an allergic reaction hives ; difficulty breathing; swelling of your face, lips, tongue, or throat. Plaquenil isn't a 'sulfa' drug which means a certain sort of antibiotic, the sulfonamides. Plenty of people who are allergic to those sulfa drugs take Plaquenil without any problem. This sounds all very odd to me! Plaquenil hydroxychloroquine has been shown to improve physical function in up to 80% of patients with rheumatoid arthritis. Plaquenil hydroxychloroquine is commonly used for lupus in children because of less side effects compared to other medications. Plaquenil hydroxychloroquine helps minimize joint damage. Plaquenil (hydroxychloroquine) belongs to a group of medicines called quinolines. The active components are bound to a sulphur compound as it slows down release times compared to hydrogen chloride which are usually found in faster release medications. what you are allergic to is sulfonamides like bactrim, right? Sulfate used after a drug name is just the last name of the chemical, its the sulfate salt. Is plaquenil a sulfonamide Plaquenil Side Effects Common, Severe, Long Term -, Plaquenil when allergic to sulfa? Lupus Forums at The. Benadryl and plaquenilHydroxychloroquine and nightmaresHow to manage inflammation after coming off plaquenil Other medications that may cause a reaction. Other types of sulfa medications may trigger a reaction in some people who have a sulfa allergy Sulfasalazine Azulfidine, used to treat Crohn's disease, ulcerative colitis and rheumatoid arthritis. Dapsone, used to treat leprosy, dermatitis and certain types of pneumonia. Sulfa allergy Which medications should I avoid? - Mayo Clinic. Compare Plaquenil vs Sulfasalazine -. Plaquenil and Sulfa Allergies" Lupus Community - Support.. Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. These are not sulfates. Sulfate used after a drug name is just the last name of the chemical, its the sulfate salt. It has nothing to do with sulfonamides. Allergy to sulfonamide antibiotics has no relationship to allergies to hydroxychloroquine. PLAQUENIL is indicated for the treatment of uncomplicated malaria due to P. falciparum, P. malariae, P. ovale, and P. vivax. PLAQUENIL is indicated for the prophylaxis of malaria in geographic areas where chloroquine resistance is not reported.