what causes itchy petichiae rash
Causes and Treatment of Petechiae Rash. There are plenty of causes for the formation of Petechiae rash on skin. A minor cause could be due to trauma to the skin leading to the breakage of the capillary blood vessels.Examples of the instances that could cause trauma to the capillaries are extreme coughing or vomiting and intense crying.These could lead to the formation of Petechiae rash on the upper region near the chest and up to the face. Tight clothes can also cause this type of rash.xamples of the instances that could cause trauma to the capillaries are extreme coughing or vomiting and intense crying. These could lead to the formation of Petechiae rash on the upper region near the chest and up to the face. Tight clothes can also cause this type of rash.