Constriction of airways that makes it difficult to breathe.Seek emergency treatment if you develop any signs or symptoms of anaphylaxis, such as: This will help your provider make a diagnosis. If possible, see your provider when the allergic reaction is occurring. See your health care provider 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 consciousnessĮmergency 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 difficult to breathe.Constriction and tightening of the airways.This can cause life-threatening signs and symptoms, including: In some people, a food allergy can trigger a severe allergic reaction called anaphylaxis. Abdominal 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 signs and symptoms include: Rarely, symptoms may be delayed for several hours.
Food allergy symptoms usually develop within a few minutes to 2 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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