The Return of Sulfite Allergy

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Sulfites are common preservatives used in various foods and medications. Sulfites have been used for centuries, mainly as food additives, but can also occur naturally in foods such as fermented beverages and wines. Unfortunately, these preservatives may cause allergic reactions in certain individuals.

Allergic reactions to sulfites can occur in many forms. Sulfites in foods and medications can worsen asthma symptoms, result in hives and even cause life-threatening anaphylaxis. Learn more about sulfite allergy, how it's diagnosed, and what foods and medications should be avoided for people with an allergy to this common preservative.