Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

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 ...

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 ...

There are many potential reasons babies develop rashes. While rashes on babies are common, and most are not a cause for alarm, they can be uncomfortable and cause irritation. Often, there may be ...

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.

Mexiletine appears to be safe and is likely an effective treatment for managing symptoms of myotonia (delayed muscle relaxation after a contraction) in people wit ...

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 ...

From healthcare reform and all of its controversy to major medical breakthroughs, urgent drug recalls and alerts, and devastating environmental disasters, view the most significant medical events ...