Description Obsessive-compulsive symptoms in schizophrenia are often initially unrecognized or missed entirely in the diagnostic process. Sexual obsession is common in patients with schizophrenia. Therefore, identifying sexual obsession early in treatment has significant implications for appropriate multidisciplinary management and prognosis. We report the case of a Hispanic male in his 20s who presented with self-injurious behavior and worsening psychotic symptoms in the context of a recent diagnosis of schizophrenia and without a past diagnosis or historical symptoms of obsessive-compulsive disorder (OCD). This report elucidates the importance of identifying the underlying cause of self-injurious behavior, which in this young man was due to new onset OCD presenting as sexual obsession comorbid with schizophrenia. Olanzapine, paroxetine, and cognitive behavioral therapy (CBT) were administered with good therapeutic response.
Keywords: comorbidity; diagnosis; medical history taking; obsessive behavior; obsessive-compulsive disorder; schizophrenia.
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