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

Maybe you’ve been outside at a summer barbecue for the day, and you start to notice a red, itchy rash on your skin. While it’s possible that you’ve brushed up against or eaten something you’re ...

In a recent Instagram post, one prominent New York City dermatologist exposed a common culprit behind skin rashes: gel manicures. Chemicals commonly used in these polishes—and other products—can cause ...

Enlarging purple pruritic nodules on the dorsal neck One month after a painful neck rash, an HIV-positive man develops pruritic purple lesions at the same site. A 34-year-old African American man ...

A person may experience itchy skin without a rash due to dry skin, bug bites, some health conditions, or as a reaction to certain medications. Treatment can depend on the cause. Depending on the cause ...

Certain viral infections and autoimmune diseases may cause a rash behind the ear in both children and adults. Some causes, such as contact dermatitis, are not concerning, but other causes, including ...