The body’s immune system keeps you healthy by fighting off infections and other dangers to good health. A food allergy reaction occurs when your immune system overreacts to a food or a substance in a food, identifying it as a danger and triggering a protective response. While allergies tend to run in families, …

20 {images|pictures|gallery} of allergic reaction to food on body

What is the difference between food allergy and food intolerance? Food allergy is sometimes confused with food intolerance

A food allergy occurs when your immune system responds defensively to a specificfood protein that, in reality, is not harmful to the body. The first time you eat the offending food, the immune system responds by creating specific disease-fighting antibodies (called immunoglobulin E or IgE). When you eat …

There are different types of food allergy reactions. A food allergy occurs when the body’s immune system sees a certain food as harmful and reacts by causing symptoms.

Food allergy symptoms usually develop within a few minutes to two hours after eating the offending food. The most common food allergy signs and symptoms include: Tingling or itching in the mouth; Hives, itching or eczema; Swelling of the lips, face, tongue and throat or other parts of thebody; Wheezing, …

A food allergy is when the body’s immune system reacts unusually to specific foods. Allergic reactions are often mild, but they can sometimes be very serious.

An allergic reaction to food involves two components of the immune system. One component is a type of protein, an allergy antibody called immunoglobulin E (IgE), which circulates through the blood. The other is the mast cell, a specialized cell that stores up histamine and is found in all tissues of the body.

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