Perioral dermatitis is a skin condition characterized by a rash around the mouth. It is one type of dermatitis, which is a general term for skin irritation. In the word “perioral,” “peri ...

An inner-thigh rash may be caused by a variety of factors, including friction, chafing, an allergic reaction, a disease, and a health condition. Its appearance depends on the rash's trigger. The ...

Bee, wasp, yellow jacket, hornet, and fire ant are the insect stings that most often trigger allergic reactions. But most people aren't allergic to insect stings and may mistake a normal sting ...

A sun rash — known medically as a polymorphic light eruption — is a skin reaction due to sun exposure. It may cause irritation but does not usually result in serious complications. It ...

Often, there may be an obvious reason for the rash, such as switching to a new soap or coming in contact with a new substance. In other cases, a caregiver may need to consult a doctor to determine ...

Seek emergency medical care if you have a high fever, difficulty breathing, nausea or dizziness, or the rash is spreading rapidly. A rash is an area of skin that may be inflamed, irritated ...

Heat rash is a skin condition that develops in hot, humid environments. It causes small discolored or fluid-filled blisters to develop in the folds of your skin or areas where clothing rubs the skin.

Rashes that last for a few hours or days in adults usually aren't anything to worry about. However, prompt medical attention is needed if a rash is accompanied by fever, difficulty breathing, pain, ...