Oral Allergy Syndrome: What You Should Know

Do you feel a tingling, itchy, or burning sensation in your mouth after eating certain raw fruits or vegetables? If so, you might be experiencing Oral Allergy Syndrome (OAS) — a mild but bothersome allergic reaction triggered by your immune system. OAS typically affects people who have seasonal pollen allergies. That’s because proteins in some raw fruits and vegetables resemble pollen proteins. The immune system mistakes them for allergens, leading to reactions such as itching in the lips, throat, and even the ear canal. It’s most common in teens and adults and, thankfully, symptoms are usually mild and short-lived. Is OAS Serious? In most cases, no. OAS is more annoying than dangerous. However, if you experience severe symptoms like difficulty breathing, swelling of the throat, or low blood pressure — especially after eating nuts or seeds — seek emergency care immediately. Common Trigger Foods Different pollens react with different foods: Ragweed allergy : Banana, cucum...