Nutrition
Sulfite Sensitivity Basics
Sulfite sensitivity basics link preserved wine, dried fruit, and added sulfur dioxide to dose-dependent symptoms—distinct from sulfa medication allergy for most people.
Sulfite sensitivity basics cover wheeze, flushing, or headache in some people after preserved wines, dried fruits, bottled lemon juice, or restaurant potato treatments—not the same as sulfa drug allergy. Asthma-prone individuals report more respiratory reactions.
Labels may list sulfur dioxide above ten parts per million on packaged foods in many regions. True IgE sulfite allergy is rare; most reactions are intolerance-like and dose-linked.
Common questions
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If you react to sulfa antibiotics, must you avoid sulfites?
Cross-reactivity is uncommon—still mention both histories to clinicians and track food sulfite reactions separately from medication labels.
Related terms
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