Document Type : Original Article


1 Clinical Research Development Center, Imam Khomeini and Mohammad Kermanshahi and Farabi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran

2 Substance Abuse Prevention Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran


BACKGROUND: Irritable bowel syndrome (IBS) is one of the most common gastrointestinal diseases,
and obsessive–compulsive disorder (OCD) is one of the main causes of this disease. The present
study was aimed to investigate the prevalence of OCD in patients with IBS.
MATERIALS AND METHODS: The present research is a cross‑sectional survey study. The research
sample included 120 patients with IBS who referred to Imam Reza Hospital and gastrointestinal
clinics in Kermanshah (Iran) in the 3 months of April, May, July in 2019 that were selected using the
census sampling method, and demographic information, clinical and medical records were collected.
Data analysis was performed using frequency, percentage, and Chi‑square.
RESULTS: Among the patients who were studied, 58 of them (48.3%) were women and 62 (51.7%)
were men, the results showed that the prevalence of OCD in patients with IBS was 14.96 and the
symptoms of washing, checking, skepticism and slowness‑repetition had the highest prevalence,
respectively. These symptoms were more common in women than in men. There was also a significant
relation between OCD prevalence in patients with IBS and with female gender, age‑range 30–21 years,
single, and history of OCD in the patient’s immediate family and close relatives (P < 0.05), but there
was no significant relationship between OCD prevalence in patients with IBS and level of education,
occupation, income status, and place of residence
CONCLUSION: Due to the high prevalence of OCD in patients with IBS, the interaction of
gastroenterologists and psychiatrists to treat irritable bowel syndrome is very important.


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