PREVIEW
Obsessive-compulsive disorder is now recognized as one of the most common causes of disability worldwide. Recent advances in treatment have greatly improved the prognosis for patients with this disorder, but diagnosis can be elusive. What should the primary care physician watch for or ask about? What interventions are appropriate? In this article, Dr Khouzam discusses the definition, causes, epidemiology, diagnostic criteria, and treatment options for this often puzzling problem.