Trichotillomania and Risk of Alcohol- and Drug-Related Problems.

ABSTRACT:

Background

Trichotillomania is an understudied psychiatric disorder characterized by repeated hair-pulling resulting in hair loss. Little is known about the risk of problematic substance use in this patient group. In this nationwide matched cohort study, we investigated the association between trichotillomania and substance-related problems.

Methods

We linked various nationwide administrative and clinical registers in Sweden. Among 12,015,664 individuals living in the country from January 1, 1997, to December 31, 2020, we identified 1136 individuals with an ICD-10 diagnosis of trichotillomania at age ≥10 years (86.4% female, median age at first diagnosis 23.8 years [interquartile range 13.3-34.9 years]) and matched them with 11,360 unaffected individuals. The outcome was bro

SUBMITTER: Farhat LC 

PROVIDER: S-EPMC12547216 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature