Can you use skincare products with sulfur if you are allergic to sulfa? Yes! Someone with a sulfa allergy can have an allergic reaction to certain medications that contain sulfa, such as Sulfur importance and allergy risks What To Avoid When Taking Glutathione Absence of Cross Reactivity between Sulfonamide Antibiotics and Sulfonamide Nonantibiotics New England Journal of Medicine Differentiating Sulfur Compounds: Sulfa Drugs, Glucosamine Sulfate, Sulfur, and Sulfiting Agents L Glutathione Antioxidant Support Allergy Research Group