In most cases, a dermatologist diagnoses broken blood vessels in the face by examining them. Related: Petechiae vs. Purpura: ...

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

Progestin also dilates or expands the blood vessels, which may make them appear larger under the skin ... purple lines below the skin’s surface. These lines indicate broken veins, which can ...