Hives can be generalized over the entire body or may be localized, and usually result from an allergic reaction. The hives (urticaria) on this person's back have the typical slightly-raised red appearance and are accompanied by itching. Hives can generalized over the entire body, or may be localized.

Can hives be localized to one area?

Localized Hives: localized hives occur on just one area of the body. This type of hives can be caused by touching plants, pollens, pet saliva, food, or chemicals. Some people get hives from firmly stroking the skin. Localized hives is not caused by infection, swallowed foods or medicines.

What can cause localized hives?