These photos include both common rashes as well ... it may look cracked as if the skin is extremely dry. Heat rashes look ...

Medically reviewed by Daniel More, MD Pictures of hives, also known as urticaria, can help you to identify these raised, red, itchy bumps or welts. Causes include stress, infections, food or latex ...

Have you ever wondered why some people struggle with heat rash every summer while others appear to navigate the hot weather with no issues at all? We asked a dermatologist to explain what causes ...