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. Antimalarial drugs hydroxychloroquine Plaquenil discount card History of sulfonamide antimicrobial allergy included urticaria n = 7, cutaneous eruptions n = 9, and other n = 12. Four of the 28 patients who were skin prick tested were positive to sulfamethoxazole and two of the ten patients who underwent in vitro testing were positive to sulfamethoxazole. All information contained within the Johns Hopkins Lupus Center website is intended for educational purposes only. Physicians and other health care professionals are encouraged to consult other sources and confirm the information contained within this site. Can you take Hydroxychloroquine if you are allergic to sulfa drugs? Asked by yjohns316 Updated 18 January 2014 Topics allergic reactions, hydroxychloroquine 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. Plaquenil and sulfa allergy Plaquenil Hydroxychloroquine Sulfate, Things to Avoid if You Have Lupus - Johns Hopkins Lupus Center Plaquenil chartingWill plaquenil help anemiaChloroquine zika natureCornea verticillata chloroquineChloroquine injection intravenous 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. Is hydroxychloroquine Sulfate a member of the sulfa drug.. Can you take Hydroxychloroquine if you are allergic to sulfa drugs?. Sulfa allergies Overview and what to avoid. Someone who has a sulfa allergy can react to some medications that contain sulfa. Sulfonamide antibiotics that can cause a reaction. Antibiotics containing chemicals called sulfonamides can trigger a reaction if you have a sulfa allergy. These antibiotics include combination drugs Sulfa allergy is a term used to describe an adverse drug reaction to sulfonamides, a class of drugs that includes both antibiotics and non-antibiotics. There's a common misconception that all sulfonamide drugs have the potential to cause allergy, but this isn't entirely true. A sulfa allergy sounds like a sulfite allergy, but they’re very different. Sulfa drugs treat health conditions. Sulfites are preservatives used in many foods, drinks especially wine, and.