https://www.healthline.com/health/allergies/sulfa-sulfite#overview1
“Because their names are similar, people often confuse sulfa with sulfites. Sulfites occur naturally in most wines. They’re also used as a preservative in other foods. Sulfites and sulfa medications are chemically unrelated, but they can both cause allergic reactions in people.“
“Because their names are similar, people often confuse sulfa with sulfites. Sulfites occur naturally in most wines. They’re also used as a preservative in other foods. Sulfites and sulfa medications are chemically unrelated, but they can both cause allergic reactions in people.“
