Sulfa, Sulfite, Sulfate, and Sulfur: True Allergy, Cross-Allergy, or No Allergy

Course overview

Allergies in herbs are common and are imperative for practitioners to understand patient allergies. Sulfa, sulfite, sulfate, and sulfur are similar in sound, but have different allergy profiles. This article provides clinical information on these four drugs to help practitioners understand whether a patient has true allergy and cross-allergy.