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Food Allergy

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Definition

A food allergy is an exaggerated immune response triggered by eggs, peanuts, milk, or some other specific food.

Symptoms

Symptoms usually begin immediately, within 2 hours after eating. Rarely, the symptoms may begin hours after eating the offending food.

If you develop symptoms shortly after eating a specific food, you may have a food allergy. Key symptoms include hives, hoarse voice, and wheezing.

Other symptoms that may occur include:

Abdominal pain
Diarrhea
Difficulty swallowing
Itching of the mouth, throat, eyes, skin, or any area
Light-headedness or fainting
Nasal congestion
Nausea
Runny nose
Swelling (angioedema), especially of the eyelids, face, lips, and tongue
Shortness of breath
Stomach cramps
Vomiting

Symptoms of oral allergy syndrome:

Itchy lips, tongue, and throat
Swollen lips (sometimes)

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Diarrhea
Diarrhea is loose, watery, and frequent stool. Diarrhea is considered chronic (long-term) when you have had loose or frequent stools for more than 4 weeks. More »
ADAM

Vomiting
Vomiting is the forceful discharge of stomach contents through the mouth. More »
Gale Encyclopedia of Alternative Medicine

Hives
Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine. More »
ADAM

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Food Allergy

Basics

Multimedia

Symptoms Search

Explore other causes of

Doc Search

Drug Search

Definition

Symptoms

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Most Common Symptoms
Abdominal Pain Back Pain Blood In Stool Chest Pain Cough Dark Urine Diarrhea Dizziness Fatigue Fever Frequent Urination	Gas Headache Joint Pain Loss of Appetite Low Grade Fever Nausea Rash Swollen Feet Vaginal Discharge Vertigo