Adult trichotillomania is a chronic disorder, frequently involving multiple hair sites, and is associated with high rates of psychiatric comorbidity. Its relation to obsessive-compulsive disorder requires further clarification. The tension-reduction requirement in DSM-III-R for the diagnosis of trichotillomania may be overly restrictive.

These findings suggest that alcohol acts acutely to reduce both panic and the anxiety surrounding panic, and they lend support to the view that drinking behavior among those with panic disorder is reinforced by this effect. We suggest that this process may contribute to the high rate at which alcohol-use disorders co-occur with panic disorder.

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