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Symptoms like abdominal pain and hives are common during an allergic reaction. There can also be swelling of the _________.

A All of these answers.

Swelling of the face, feet, and hands is a common symptom of an allergic reaction. The allergic reaction causes the release of histamine, a chemical that causes blood vessels to dilate and become more permeable. This can lead to fluid leakage into the surrounding tissues, causing swelling.

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