Webnov 8, 2023 · causes.
Petechiae occur when tiny blood vessels called capillaries break open.
When this happens, blood leaks into the skin.
Some of the conditions that may.
Webmay 26, 2023 · tiny blood vessels, called capillaries, link the smallest parts of your arteries to the smallest parts of your veins.
Petechiae form when capillaries bleed, leaking blood.
Webpetechiae are tiny spots of bleeding under the skin.
They can be caused by a simple injury, straining or more serious conditions.
Webjan 29, 2024 · for example, petechiae can appear after straining to lift heavy weights.
To prevent petechiae, switch to lighter weights or stop working out when you feel tired.