We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, like a surprising amount of other viruses, the coronavirus can also ...

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Pityriasis rosea begins with flu-like symptoms and involves an itchy rash that spreads in the shape of a tree. Here's how to identify and treat it.

Leah Douglas, MD The 2 skin disorders presented in this Dermatologic Look-Alikes can affect a patient’s trunk. One is caused by a fungus, the other not. Can you make the diagnosis? A 32-year-old ...

Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Grover's disease is a rare skin condition that causes a severe ...