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? Chloroquine grp What type of vision problems does plaquenil cause Doctor took me off of plaquenil Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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. Plaquenil Description Plaquenil ® hydroxychloroquine sulfate is a white or practically white, crystalline powder, freely soluble in water; practically insoluble in alcohol, chloroform, and in ether. The chemical name for hydroxychloroquine sulfate is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. 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 Hydroxychloroquine Uses, Dosage, Side Effects., Sulfa & Plaquenil allergies related? DailyStrength Side effects plaquenil weight gainHow much is plaquenil at walmart without insuranceHow long can you stay on plaquenilPlaquenil cause cushingsHow chloroquine icauses itch Hydroxychloroquine sulfate Plaquenil is not a sulfa drug. That is a misconception. However, hydroxychloroquine can be associated with serious dermatological side effects including severe rashes and exacerbation of psoriasis. Plaquenil and Sulfa Allergies" Lupus Community - Support.. Plaquenil - FDA prescribing information, side effects and uses. Plaquenil when allergic to sulfa? Lupus Forums at The.. 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. Bactrim and Plaquenil drug interactions - a real-world study. Summary Drug interactions are reported among people who take Bactrim and Plaquenil together. This study is created by eHealthMe based on reports of 442 people who take Bactrim and Plaquenil from Food and Drug Administration FDA, and is updated regularly. 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.