The medical condition of sweating blood or blood-tinged sweat; a rare phenomenon where blood or blood components appear in perspiration.
From hema- (blood) plus hidr- (sweat, from Greek hidōs or hidros) plus -osis (condition or state). The term describes the unusual condition of blood appearing in sweat.
Hemathidrosis sounds like pure mythology, but there are documented cases! It typically happens under extreme stress or is associated with bleeding disorders or hemophilia.
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