Is it simply heat rash, or could it be a more persistent skin condition like eczema? Learn how to spot the difference.

heat, cold, and pressure on the skin." Hives are actually a type of rash. However, not all rashes are hives. "Rashes occur on ...

Hives, also known as urticaria ... increased heat or tight-fitting clothes around the area of your stress rash. "Heat is known to be an aggravant, as well as pressure," Dr. Nazarian said.

A hives rash, also called urticaria ... Or, if it appears on the hands, it may look cracked as if the skin is extremely dry. Heat rashes look like small flesh-colored or red bumps in the skin ...