Signs and Symptoms
Classic immunoglobulin-E (IgE)-mediated food allergies are classified as type-I immediate Hypersensitivity reaction. These allergic reactions have an acute onset (from seconds to one hour) and may include:
- Hives
- Itching of mouth, lips, tongue, throat, eyes, skin, or other areas
- Swelling (angioedema) of lips, tongue, eyelids, or the whole face
- Difficulty swallowing
- Runny or congested nose
- Hoarse voice
- Wheezing and/or shortness of breath
- Nausea
- Vomiting
- Abdominal pain and/or stomach cramps
- Lightheadedness
- Fainting
Symptoms of allergies vary from person to person. The amount of food needed to trigger a reaction also varies from person to person.
Read more about this topic: Food Allergy
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