Hematohidrosis is a condition which is very rare and in which aperson sweats blood. During examination, it disappeared that as soon as it was being wiped, it does not leave behind any sign of trauma. This confirms that it was sweating of blood and not bleeding Various causative factors have been suggested like component of skin disease, vicarious menstruation, excessive exhaustion, psychological disorders, and some unknown causes. It may also occur in bleeding disorders. We here report a case where bloody sweat was discharged from the forehead and nose, episodically more commonly in summer season in a 15-year-old healthy boy with no bleeding disorder or any other underlying cause. All the investigations done were within normal limits.

Keyword: Hematohidrosis; Sweating blood; Teenage boy.