Can oil of oregano cause petechiae?

Petechiae are small, red or purple spots on the skin that are caused by bleeding from tiny blood vessels. There is no evidence that oil of oregano can cause petechiae. In fact, oil of oregano is often used as a natural remedy for various health conditions, including bacterial and fungal infections. If you are experiencing petechiae, it is important to see a doctor to rule out any underlying medical conditions.