Diagnostic Criteria

1. Recurrent pulling out of one’s hair, resulting in hair loss.
2. Repeated attempts to decrease or stop hair pulling.
3. The hair pulling causes clinically significant distress or impairment in social, occupational, or other important areas of functioning.
4. The hair pulling or hair loss is not attributable to another medical condition (e.g., a dermatological condition).
5. The hair pulling is not better explained by the symptoms of another mental disorder (e.g., attempts to improve a perceived defect or flaw in appearance in body dimorphic disorder).