Petechiae form when capillaries bleed, leaking blood. Webjan 29, 2024 · for example, petechiae can appear after straining to lift heavy weights. Some of the conditions that may.

They can be caused by a simple injury, straining or more serious conditions. Petechiae occur when tiny blood vessels called capillaries break open. Webnov 8, 2023 · causes. Webmay 26, 2023 · tiny blood vessels, called capillaries, link the smallest parts of your arteries to the smallest parts of your veins. 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.