ABSTRACT
Different cultural habits through creating different beliefs and attitudes can affect phenomenology and prevalence of symptoms of obsessive-compulsive disorders. This descriptive study was conducted among patients to determine symptomology of obsessive disorder Referred to clinical centers in Tehran with emphasis on culture. In this descriptive study 103 patients with obsessive-compulsive disorder were selected through non accidental sampling [quota, convenience]. Yale Brown Obsessive Compulsive Scale with an open-ended question was used in this study. Convergent and test-retest were also conducted in order to determine the validity and reliability. Data have been analyzed by SPSS software. The results showed that the most common symptoms of obsession in Iranian patients respectively, Included contamination obsession [92.23%], miscellaneous obsessions [66.99%] and physical obsession [57.28%] and the most common symptoms of compulsive respectively, Include miscellaneous compulsive [78.64%], Cleaning and washing [73.78%], and Sift [64.07%]. The overall pattern of Symptomology obsessive-compulsive disorder in this study sample is consistent with the observed pattern in Western and Eastern cultures in some countries, so that the main features of obsessive-compulsive disorder was relatively independent of cultural variables and only exception is content of OCD in which cultural factors may play a significant role