stomach cramps
* Lightheadedness
* Fainting
* Nausea
* Vomiting

Symptoms can vary. The amount of food needed to trigger a reaction also varies.

A severe case of an allergic reaction, caused by symptoms affecting the respiratory tract and blood circulation, is called anaphylaxis. When symptoms are related to a drop in blood pressure, the person is said to be in anaphylactic shock. Anaphylaxis occurs when IgE antibodies are involved,

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