Health Tip: Some Facts About Angiodema

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(HealthDay News) -- Angiodema is the medical term for hive-like swelling beneath the skin. It's often caused by an allergic reaction.

The U.S. National Library of Medicine mentions these common triggers for angiodema:

Outdoor allergens, such as pollen.

Animal dander.

Exposure to significant heat, cold, sunlight or water.

Foods that cause allergies in many people, such as milk, nuts, shellfish or eggs.

An insect bite or sting.

Certain medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs), blood pressure drugs, and certain antibiotics such as penicillin.

If someone has difficulty breathing in addition to the swelling, seek emergency medical treatment immediately.

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