What are suitable antibiotic choices for patients with sulfa allergies? Sulfonamide Hypersensitivity: Fact and Fiction The Journal of Allergy and Clinical Immunology: In Practice Datis If you have a sulfur sensitivity, glutathione can be problematic. Glutathione is primarily made up of sulfur, which can cause issues for those with a sulfur sensitivity. While Glutathione is Differentiating Sulfur Compounds: Sulfa Drugs, Glucosamine Sulfate, Sulfur, and Sulfiting Agents Sulfa allergy: a contraindication to nonantibiotic sulfonamides? Why? EM Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification