Medically reviewed by Casey Gallagher, MD Petechiae are tiny red or purple dots that don't turn white when you press on them.

Non-blanching rashes can be a sign of serious illness, but not always Medically reviewed by Brendan Camp, MD A non-blanching rash is a type of rash that doesn’t disappear (or blanch) when ...

Opens in a new tab or window A 14-year-old boy presented to the emergency department with complaints of abdominal pain, fever, fatigue, and a widespread rash on his lower extremities that ...

This was followed in 3 days by an asymptomatic purpuric eruption on his ankles and lower extremities, which spread to the elbows and lumbosacral areas. The rash became confluent and palpable at ...