There can be histological findings. Biopsy samples may reveal short and broken hairs. Histological examination will reveal normal and damaged follicles. There should be inflammation in the affected area. Abdominal pain may result from trichophagia and a hair bezoar.
Adults show a female predominance.
Prevalence Trichotillomania was thought to be an uncommon condition, it is now believed to occur more frequently than previously thought. Some children with Trichotillomania show complete resolution of symptoms. In adults the course may be chronic or episodic. All rights reserved.