What Causes Purple And Dark Blotches On Skin?
• Birthmarks, port wine stains, and sarcomas, or, tumors can cause changes in skin color. The variations may be reddish purple, purple and blue or a violet tone. • Problems with blood coagulation can also cause purple blotches on skin. Bruising is observed in shades of purple or bluish purple. • Dermotomyositis is a progressive autoimmune disease that targets muscles and joints. There is a purple rash associated with it. It usually affects children of school ages and adults between 30 and 40 years of age. • The disease can affect muscles in the lungs, in the throat and in the feeding tube, or esophagus.
