Webnov 8, 2023 · causes. Petechiae occur when tiny blood vessels called capillaries break open. Petechiae form when capillaries bleed, leaking blood.

Some of the conditions that may. 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. Webpetechiae are tiny spots of bleeding under the skin. When this happens, blood leaks into the skin.

Webpetechiae are tiny spots of bleeding under the skin. When this happens, blood leaks into the skin.