Episodic and chronic obsessive-compulsive disorder.

@article{Ravizza1997EpisodicAC,
  title={Episodic and chronic obsessive-compulsive disorder.},
  author={Luigi Ravizza and G. Maina and Filippo Bogetto},
  journal={Depression and anxiety},
  year={1997},
  volume={6 4},
  pages={154-8}
}
Several lines of evidence support the concept of obsessive-compulsive disorder (OCD) as a heterogeneous illness. Using a range of factors such as demographic, psychosocial, and clinical variables, we compared OCD patients with chronic (n = 55) versus episodic (n = 46) courses of illness. Patients were evaluated monthly for 1 year while receiving no treatment. Significant differences in sex ratio, age at onset of the disorder, illness duration, type of symptoms, and familial history were found… CONTINUE READING

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