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artcher [175]
3 years ago
5

What is Swelling, redness, and itching caused by an allergic reaction.

Health
2 answers:
LuckyWell [14K]3 years ago
4 0

Answer:

Urticaria (Hives)

Hives are an inflammation of the skin triggered when the immune system releases histamine. This causes small blood vessels to leak, which leads to swelling in the skin. Swelling in deep layers of the skin is called angioedema.

Explanation:

Musya8 [376]3 years ago
4 0
Hives when the skin starts to break out
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