What is contact dermatitis? Contact dermatitis is a reaction that occurs when something touches your skin and triggers a rash. The rash may appear right away or it could take some time to develop.

When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to choose from, deciphering your skin can be a challenge. But with skin ...

Medically reviewed by Brendan Camp, MD Common skin diseases often cause symptoms like burning, itching, and discoloration.

Bumps on your skin can have a variety of causes, from allergic reactions to acne. However, you can tell the differences between an allergic reaction and other bumps on your face by some defining ...

A foot rash can occur due to an allergic reaction or infection. A person can treat some rashes, such as athlete’s foot and contact dermatitis, with over-the-counter (OTC) medications. In some cases, ...

The telltale itch begins subtly – perhaps a slight irritation on your arm or an uncomfortable warmth spreading across your chest. Before long, your skin erupts in patches of redness, bumps, or scales ...

A rash, or dermatitis (eczema), on the neck is skin inflammation and irritation. It causes a change in appearance and texture on the front, sides, or back of the neck. The appearance of a neck rash ...

Splish, splash, dealing with a rash? It’s not unusual for a dip in the ocean or a soak in the hot tub to spell trouble for your skin. Summer, with its flurry of water activities and flourishing sea ...

A rash behind the ear is fairly common and often resolves with home treatment. Seek medical care if the rash doesn’t go away or is accompanied by other symptoms, such as bleeding or a fever. The ...