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A 28-year-old female asked:

Full colonoscopy with biopsy 10 weeks ago due to bowel habit change which come back normal. doc said its ibs. can ibs cause really foul smelly gas?

1 doctor answer2 doctors weighed in
Dr. Frank Kuitems
Internal Medicine 37 years experience
Yes: People with IBS can have increased flatus stools can alternate between constipation and diarrhea and malodorous Bad smelling stools.Foul smelling stools can also be caused by food intolerance and malabsorbed in. See your primary care physician for evaluation and treatment

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Last updated Apr 9, 2019

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