Perioral dermatitis is a red rash that appears around your mouth and nose and causes red, inflamed, swollen bumps on the ...

DEAR MAYO CLINIC: I'm an 18-year-old woman and I have a disease called JRA Still's disease. I want to learn more about it and its treatment options. A: Still's disease is a rare form of inflammatory ...

Long before the COVID-19 pandemic prompted a surge in telemedicine, John Aucott's patients would text and email him photos of their rashes. "My kids used to joke: 'Don't look at dad's phone because it ...

A circular rash isn't always ringworm. While the bullseye circle rash is typical of ringworm, a fungal infection, the cause also can be an allergic reaction, chronic skin disorder, or other type of ...

Celiac disease can cause a person to develop an itchy, blistering rash on their skin, known as dermatitis herpetiformis. Following a gluten-free diet typically resolves symptoms of a celiac disease ...

Histopathologic finding of a dermal hypersensitivity reaction, along with the characteristic clinical appearance, confirmed the diagnosis of erythema migrans (EM). Introduced in 1909, EM was described ...