Petechial Rash Petechiae When To Worry. The spots themselves are tiny pinpricks that can be purple red or brown which is due to the bleeding under the skin. Capillaries are tiny blood vessels.
Capillaries are tiny blood vessels. The rash is initially pink to bright red with discrete macules that are 1 5 mm in diameter that. These spots may be petechiae if they are small and don t change color when you press on them.
A petechial rash typically develops 3 5 days into the illness and is the major diagnostic sign.
A petechial rash is made up of small red bumps on the skin caused by bleeding from skin capillaries. May show up in a cluster and can look like a rash. It s important to see. A petechial rash is made up of small red bumps on the skin caused by bleeding from skin capillaries.