Probiotics (e.g. Align, VSL#3, Florastor)
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How it works: We are not exactly sure how probiotics work in IBS. They could act by reducing gas production, decreasing inflammation or modifying gut motility and/or sensation. |
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Which symptoms does it help: Overall IBS symptoms, especially flatulence, bloating, pain. |
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How long it takes to see a benefit: Within 4 weeks. |
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FDA approved: Not regulated by the FDA as drugs. |
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Dosage: Many different doses and formulations. |
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Special considerations or risks: Discuss with your doctor if you have a suppressed or deficient immune system. |
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Most common side effects: Initially there may be some bloating and discomfort as your intestines “adjust” to the new bacteria but that should be short-lived. Generally safe. |
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Recommendation: ACG does not recommend routinely using probiotics to treat IBS, because data from clinical studies have been inconsistent. |
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