This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic, Stress Related and Somatoform Disorders, Subject name: Psychiatry
Treatment of choice for OCD is: 
Select and explain. 
A. Behavior therapy, B. Drug therapy, C. Psychosurgery, D. Combination of behavior and drug therapy
D: Combination of behavior and drug therapy
Answer: D: Combination of behavior and drug therapy 
Explanation: A combination of pharmacotherapy and psychotherapy has the best evidence in the management of OCD.