Although there is some overlap, the triggers of hives and other rashes can differ. For instance, contact dermatitis causes rash due to irritation, heat, or direct physical contact with an allergen ...

Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

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

You may develop stress-induced urticaria (hives) if you are experiencing a lot of stress. Stress can also trigger skin conditions like eczema, which causes itchy rashes. Your body releases a ...