![]() Some herbs and spices (anise, caraway seed, coriander, fennel, parsley) The following table shows the specific fruits, vegetables, nuts and spices that can cause pollen-food allergy syndrome in people who are allergic to different pollens. However, when these foods are cooked, symptoms may be less severe. Symptoms are typically triggered by eating these foods when they're fresh and uncooked. Proteins in certain fruits, vegetables, nuts and spices cause the reaction because they're similar to allergy-causing proteins found in certain pollens. In serious cases, the reaction results in swelling of the throat or even anaphylaxis. In this condition, certain fresh fruits and vegetables or nuts and spices can trigger an allergic reaction that causes the mouth to tingle or itch. Crustacean shellfish, such as shrimp, lobster and crab.Īlso known as oral allergy syndrome, pollen-food allergy syndrome affects many people who have hay fever.Most food allergies are triggered by certain proteins in: They then signal your immune system to release a chemical called histamine, as well as other chemicals, into your bloodstream. The next time you eat even the smallest amount of that food, IgE antibodies sense it. In response, your immune system triggers cells to release an antibody known as immunoglobulin E (IgE) to neutralize the allergy-causing food or food substance, called an allergen. When you have a food allergy, your immune system mistakenly identifies a specific food or a substance in food as something harmful. Constriction of airways that makes it difficult to breathe.Seek emergency treatment if you develop any symptoms of anaphylaxis, such as: If possible, see a care professional when the allergic reaction is occurring. See a healthcare professional or allergist if you have food allergy symptoms shortly after eating. Untreated, anaphylaxis can cause a coma or even death. Dizziness, lightheadedness or loss of consciousness.Įmergency treatment is critical for anaphylaxis.Shock with a severe drop in blood pressure.A swollen throat or the sensation of a lump in your throat that makes it hard to breathe.Constriction and tightening of the airways.This can cause life-threatening symptoms, including: In some people, a food allergy can trigger a severe allergic reaction called anaphylaxis. Dizziness, lightheadedness or fainting.Belly pain, diarrhea, nausea or vomiting.Wheezing, nasal congestion or trouble breathing.Swelling of the lips, face, tongue, and throat or other parts of the body.The most common food allergy symptoms include: Rarely, symptoms may be delayed for several hours. Food allergy symptoms usually develop within a few minutes to two hours after eating the offending food. For other people, an allergic food reaction can be frightening and even life-threatening. For some people, an allergic reaction to a particular food may be uncomfortable but not severe.
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