If over-the-counter antihistamines aren’t effective for you, your doctor may recommend H2 blockers, steroids, biologics, or ...

Stinging nettle rash presents as raised bumps or hives that are often light in color and up to a centimeter in diameter. The skin surrounding the hives may be red.

Poison ivy, poison oak, and poison sumac are allergenic plants with an oil called urushiol that typically causes an itchy, inflamed rash.

Imagine waking up with hands so dry and cracked that even turning a doorknob feels painful. For many people, this is not just ...

Learn what causes these red, purple, or brown dots, which are painless and not itchy, also known as petechiae, and how to manage this symptom.