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Effectiveness of Fluoxetine on Various Subtypes of Obsessive-Compulsive Disorder

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Background: Obsessive-compulsive disorder typically begins early in life and has a chronic course. Despite the need for long-term treatment, the information about therapeutic effect on different clinical subtypes is limited. Methods: Consecutive outpatients with obsessive-compulsive disorder were evaluated for response to a two-month fluoxetine therapy course by Yale-Brown obsessive -compulsive scale according to the clinical subtype of the disease. Results: Of 265 patients, fluoxetine significantly decreased the symptoms in general. The mean Yale-Brown obsessive- compulsive scale in washers and patients with obsessive thoughts was significantly decreased after the intervention. The decrease in Yale-Brown obsessive- compulsive scale in checkers was not statistically significance. Conclusion: Fluoxetine has sustained efficacy on patients with obsessive-compulsive disorder and is generally well tolerated. Fluoxetine has greater efficacy on washers and on obsessive thoughts than checkers.

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