Telangiectasias are small, widened blood vessels below the top of the skin. They can be red, blue, or purple. They can be flat on the skin or raised above the skin. Most of the time, they are harmless. Sometimes, they can be signs of other health problems or illnesses. They may be in other parts of the body, such as the whites of the eyes, inside the nose or mouth, and the brain. If these bleed, they can cause serious problems.
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