Hives

Hives is the eruption of red marks on the skin that are usually accompanied by itching. This condition can be caused by an allergy (e.g. to food or drugs), stress, infection or physical agents (e.g. heat or cold).

Hives is also known as urticaria.[1]

## References[edit]

1. ↑ https://www.cdc.gov/vaccines/about/terms/glossary.htm#h