fa Dermatology Narrative Review Narrative Review <div style="text-align: justify;"><strong>Background</strong>: Irritable Bowel Syndrome (IBS) is the most commonly diagnosed gastrointestinal disease and is a common cause for referral to gastroenterologists and the second cause of absence from the workplace and school. Diagnosis is based on clinical manifestations and ruling out other diseases.&nbsp;<br> <strong>Methods</strong>: This descriptive cross-sectional study was conducted on female high school students in Abadan, Iran in 2016. A randomized stratified sampling method was used to select the participants. A total of 1044 individuals were included. A two-part questionnaire was designed by the researcher composed of a demographic form and a part assessing IBS symptoms. Data was analyzed in SPSS V. 18 software using descriptive statistics. The P value less than 0.05 was considered as being statistically significant.<br> <strong>Results</strong>: The age range of participants was 14-18 years with the Mean&plusmn;SD age of 16&plusmn;2 years. The findings of this study showed that the most common symptoms of IBS were abdominal pain (66.4%), diarrhea (46.7%), and constipation (42.5%).<br> <strong>Conclusions</strong>: The symptoms of IBS are frequent among high school female students; therefore, there is a need for more attention to this issue.</div> Irritable Bowel Syndrome, Children, Gastrointestinal disorders 11 11 http://jpr.mazums.ac.ir/browse.php?a_code=A-10-148-13&slc_lang=fa&sid=1 Zeinab Raiesifar 10031947532846004529 10031947532846004529 No Department of Nursing, School and Midwifery, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. Shahram Baraz 10031947532846004530 10031947532846004530 No Department of Nursing, School of Nursing and Midwifery, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. Afsaneh Raiesifar 10031947532846004531 10031947532846004531 Yes Department of Nursing, School of Nursing and Midwifery, Ilam University of Medical Sciences, Ilam, Iran.