Medically reviewed by Soma Mandal, MD Petechiae are tiny red, purple, or brown spots on your skin, inside of your mouth, or ...

Petechiae sometimes appear in clusters and may look like a rash. If you have tiny red, purple, or brown spots on your skin, they could be petechiae. They're not a disease, but a symptom.

Skin cancer rash and leukemia petechiae, a type of rash caused by blood cancer, can cause sores or wounds that do not go away ...