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Allergy

Question
Posted by: | 2020/03/01

Q.

Itching caused by hives

Does scratching cause more hives on the same day or the next time it appears?

Expert's Reply

A.

Allergy expert
- 2020/04/03

Most people with hives (urticaria) will find that scratching the skin brings out the rash in a linear fashion from histamine release. This is called Dermographism. Try not to rub the skin and take regular antihistamines to suppress the hives.

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