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What can affect the smell of my stool?

Robynne K. Chutkan, MD
Gastroenterology
The odor of your stool is highly dependent on a number of factors, including how long it's been sitting in your colon, your diet, medications you may be taking and, in some cases, the presence of infection. Bacterial imbalance (dysbiosis) in the gastrointestinal (GI) tract and undigested fat can also lead to a change in odor.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.