Is It Possible to Sweat Blood?
Yes, it is possible-but it is extremely rare. The condition is called hematidrosis (also known as hematohidrosis). In documented cases, people excrete blood or blood-tinged fluid through sweat glands or hair follicles, usually from the face, scalp, or hands. It is not typical sweating and it is not common bleeding; it is a medical anomaly observed only in a small number of cases worldwide. Most people will never encounter this condition, and seeing blood mixed with sweat does not automatically mean hematidrosis. Far more common explanations-such as skin injuries, nosebleeds, infections, or dye transfer-account for the vast majority of cases. ...