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 ...

A 35-year-old white man with no prior illness presented with a 10-day history of colicky abdominal pain worsened with meals, and back pain. This was followed in 3 days by an asymptomatic purpuric ...