But if you get a rash or more serious reaction when you take one of these drugs, you may have a sulfa allergy. Sulfa drugs, also called sulfonamides, include antibiotics and other types of drugs. Around 3% of people have some type of reaction to them. Hydroxychloroquine monitoring requirements Chloroquine phosphate for ich Chloroquine and furan 2 The Plaquenil and sulfasalazine allergies manifested exactly the same way, though the sulfa reaction was a bit more severe. I'm also allergic to the sulfonomide, erythromycin, so I think it's fair to say that anything related to sulfa drugs is off the menu. I'm on prednisone and extra antihistamines for two weeks to get things under control. 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. Moxifloxacin or Avelox is in the fluoroquinolones antibiotic class and it does not contain any sulfa groups so YES, you can take Avelox if you have sulfa allergic. Check with your doctor for. She’ll decide whether to take you off the drug and how to treat your symptoms. Tell your doctor right away if you think you’re having a reaction to a sulfa drug. Can i use of hydroxychloroquine with sulfur allergy Is hydroxychloroquine Sulfate a member of the sulfa drug family?, Plaquenil and Sulfa Allergies" Lupus Community - Support Group Hydroxychloroquine cause hair lossPlaquenil methotrexate shigles vaccinePlaquenil and vasculitisPlaquenil face rash Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Laccheo on are chloroquine and sulfa related The drug chloroquine has no sulfa in it. Are chloroquine and sulfa related - Answers on HealthTap. Can you take hydrochlorothiazide if you are allergic to sulfa.. Hydroxychloroquine - Wikipedia. Possible Causes of Sulfur Intolerance. As of yet, there is limited research into sulfur intolerance or allergy specifically. However, there are potential underlying issues that could affect one’s ability to tolerate sulfur-rich foods, which may present as something similar to intolerance to sulfur-containing foods. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. The drug may be used to treat a type of blood disease called porphyria cutanea tarda, although it's only used in certain cases because it can worsen symptoms. Plaquenil is in a class of medicines.