Herpes simplex labialis (HSL) is a common disease caused most often by herpes simplex virus type 1 (HSV-1). Primary infection is usually acquired during childhood or adolescence through direct mucosal ...

More information has emerged about “COVID arm” — a delayed arm rash appearing after Moderna’s COVID-19 vaccine is administered — including likelihood, duration and treatment. Researchers examined 16 ...

The telltale itch begins subtly – perhaps a slight irritation on your arm or an uncomfortable warmth spreading across your chest. Before long, your skin erupts in patches of redness, bumps, or scales ...

Erythema marginatum in rheumatic fever is a rash that appears on the trunk and the upper parts of the arms and legs. It does not itch or cause pain. Along with joint pain, involuntary movements, and ...

When experiencing a health issue, it isn't uncommon for people to look up their symptoms on Google—but one graduate student recently turned to Reddit for advice. User economics3 shared a photo of ...