Petechiae is when tiny bruises appear on the skin, due to blood leaking out of the small capillaries. “The spots can range in size from smaller dots to larger splotches, but they are generally harmless,” says Adam Friedman, MD, associate professor of dermatology at George Washington School of Medicine.
What causes petechiae?
“Most commonly, petechiae occurs when there has been increased pressure in the blood vessels or trauma to…
