42 Children aged 5-15 years old fulfilling ROME IV criteria of IBS diagnosis, and didn't have any of the following :o Abdominal pain or diarrhea that wakes the child from sleep

• Delay in onset or progression of puberty.
• Faltering growth.
• Family history of inflammatory bowel disease, celiac disease.
• History of significant weight loss .
• Bleeding per rectum.
• Persistence of severe vomiting or diarrhea
• . Persistent joint pain.
• Recurrent unexplained fever.
• Unexplained pallor they followed the low fodmapdiet for 6 weeks

42 Children aged 5-15 years old fulfilling ROME IV criteria of IBS diagnosis and didn't have one of the following : o Abdominal pain or diarrhea that wakes the child from sleep

• Delay in onset or progression of puberty.
• Faltering growth.
• Family history of inflammatory bowel disease, celiac disease.
• History of significant weight loss .
• Bleeding per rectum.
• Persistence of severe vomiting or diarrhea
• . Persistent joint pain.
• Recurrent unexplained fever.
• Unexplained pallor

they followed NICE guidelines for irritable bowel syndrome for 6 weeks

elimination of high fodmap diet - High FODMAP diet: ice cream, soft cheese , yoghurt, cabbage , cauliflower, green bean, garlic, okra, onions, snow peas, broccoli, avocado , apple, mango , dates, watermelon, legumes , pulses, wheat , pasta , artificial sweeteners

Change in Pediactric Quality of life inventory (PedsQL) gastrointestinal symptoms module score

Change in Pediatric quality of life inventory (PEDSQL) Generic core l score