Despite having similar names and symptoms, sulfa and sulfite allergies are different. Sulfa refers to sulfonamides, known as sulfa drugs, while sulfite is commonly found in wine, processed food ...

You’re correct that sulfites are a byproduct of fermentation, which means that there is probably no such thing, strictly speaking, as a “sulfite-free” wine, though there are wines without any ...

June 5 (Reuters) - The U.S. Food and Drug Administration said on Wednesday it had alerted healthcare professionals, drug compounders and patients about the risk of allergic reactions to sulfite ...