Your throat is tight. Your face is swollen. Your child has a bruise-like purple rash. A behind-the-ear rash looks red or ...

Henoch-Schonlein purpura (HSP) produces a distinctive rash on a child's arms, legs, and buttocks that looks like bruises (purpura). It is a type of vasculitis, or inflammation of blood vessels.

The bruise on Trump's hand was pictured during a meeting with Macron at the White House on Monday, where the two focused on ...