Because of that, petechiae are described as non-blanching. They can appear as red, brown or purple lesions that do not disappear when squeezed. Petechiae are pinpoint-sized spots that appear on the skin and mucous membranes because of bleeding from the capillaries below these surfaces. While most cases are mild, you might need to see a doctor promptly as petechiae can be a sign of a serious underlying medical problem. The non-blanching rashes have multiple causes, making them common among different age groups. S2CID 38433734.Petechiae are tiny red spots, usually less than 2 mm, that form on the skin and membranes lining body surfaces like the mouth and eyes. "Psychogenic purpura with abnormally increased tPA dependent cutaneous fibrinolytic activity". ^ Lotti T, Benci M, Sarti MG, Teofoli P, Senesi C, Bonan P, et al."Autoerythrocyte sensitization (psychogenic purpura): a case report and review of the literature". ^ Anderson JE, DeGoff W, McNamara M (1999)."Toxic Effects of Levamisole in a Cocaine User". : CS1 maint: location missing publisher ( link) CS1 maint: others ( link) Williams, Joanne Lynne Landis-Piwowar, Kristin (3rd ed.). Archived from the original on October 17, 2019.
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