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What is Hematidrosis and explain in detail?
Hematidrosis, also called blood sweat, is a very rare condition in which a human sweats blood. The term is from Ancient Greek haîma/haímatos (αἷμα/αἵματος), meaning blood, and hīdrṓs (ἱδρώς), meaning sweat.

Signs and symptoms
Blood usually oozes from the forehead, nails, umbilicus, and other skin surfaces. In addition, oozing from mucocutaneous surfaces causing nosebleeds, bloodstained tears, and vicarious menstruation are common