{"id":20168,"date":"2023-01-24T16:55:21","date_gmt":"2023-01-24T21:55:21","guid":{"rendered":"https:\/\/www.zocdoc.com\/blog\/?p=20168"},"modified":"2026-08-14T12:33:08","modified_gmt":"2026-08-14T17:33:08","slug":"10-signs-youve-developed-a-food-allergy","status":"publish","type":"post","link":"https:\/\/www.zocdoc.com\/blog\/guides\/10-signs-youve-developed-a-food-allergy\/","title":{"rendered":"10 Signs You’ve Developed a Food Allergy"},"content":{"rendered":"

A <\/span>food allergy<\/span><\/a> happens when your immune system mistakes the food you eat for something harmful. When this happens, the immune system releases an immunoglobulin E (IgE) antibody to neutralize the allergen. Once the initial reaction occurs, your body will automatically respond whenever you <\/span>eat that food<\/span><\/a> again, even in small quantities. <\/span>Your body will release histamines and other chemicals into your bloodstream, which causes allergy symptoms.\u00a0<\/span><\/p>\n

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Common food allergies<\/h3>\n

Food allergies are estimated to affect between 4 percent and\u00a0 6 percent of children and 4 percent of adults. While they are more common in children, it is possible to develop allergies to foods you\u2019ve eaten many times without issue as an adult. Although food allergies can be hereditary, there is no way to predict them. Allergic reactions can range from mild to severe. While an initial allergy reaction can be mild, that does not mean subsequent reactions will be.\u00a0<\/span><\/p>\n

The following foods account for 90 percent of food allergies:\u00a0<\/span><\/p>\n