Obsessive-compulsive spectrum disorders: effective treatment with paroxetine. 
To examine whether, like pure obsessive-compulsive disorder, obsessive-compulsive spectrum disorders are treatable with a selective serotonin reuptake inhibitor (SSRI).  Case histories of patients prescribed paroxetine for compulsive collecting, skin-picking, and trichotillomania were reviewed.  All patients were successfully treated with paroxetine.  Obsessive-compulsive spectrum disorders may share a serotonin-related dysfunction, and SSRIs may prove effective in their treatment.