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 ...

Medically reviewed by Katlein Franca, MD Eczema is a chronic (long-lasting) skin condition that causes a dry, itchy rash. The rash can flare up, go away, and return over time. The exact cause of ...

An itchy rash with blisters can be caused by an allergic reaction; an autoimmune disorder; a bacterial, fungal, or viral infection; and trauma to the skin. Figuring out the trigger is key to relief ...

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 ...

LONDON -- On Jan. 1, 1917, a young man from Lancashire started a diary. It might not sound like much to write home about, but the 21-year-old -- Lawrence Enderson Grimshaw -- happened to be a ...

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.

The case has been removed from the count. Health officials said that while the vaccine can cause a reaction with a rash and fever that mimics measles, it is not an infection and cannot spread to ...

Lyme disease often causes a rash that can be distinctive and resemble a bull’s eye. The rash can also change over time as the bacteria spread. Lyme disease can result from the bite of a black ...

It is a common misconception that Irish transatlantic emigration began with the Famine. In reality, while it did increase hugely during the years of the Great Hunger, the Irish had begun to ...

The painful genital rash, known medically as trichophyton mentagrophytes genotype VII (TMVII), also known as the ‘Thailand fungus’, is a rare type of ringworm that was first spotted in ...