Definitions

Food allergy

Description

An unpleasant or dangerous immune system reaction after a certain food is eaten.

Overview

Food allergy is an unpleasant or dangerous immune system reaction after a certain food is eaten.

Symptoms

Reactions can include digestive issues, hives or swollen airways. Serious reactions can be life-threatening.

Treatments

Antihistamine medicines treat mild reactions. A serious reaction needs an injection of the drug epinephrine and emergency room care.