Published on: 3/5/2025
In pancreatic cancer, changes in digestion can lead to stool that smells unusually foul or strong.
Your pancreas helps you digest food by making special juices, called enzymes. With pancreatic cancer or other conditions affecting the pancreas, the pancreas may not make enough of these enzymes. When food isn’t broken down properly, it may not be absorbed well, which can lead to changes in your gut. This change can result in a mix of undigested fats and other food parts, which bacteria in your intestines then break down differently. The bacteria might produce extra smelly compounds that can make your poop smell particularly strong or foul. Some people notice that their stool smells more unpleasant or “off” compared to days when their digestion is normal. It is important to remember that many factors, including what you eat and other health conditions, can also change poop odor. If you notice a big change in the smell of your poop along with other symptoms, it’s best to talk to a doctor. They can check your digestion, look at your overall health, and decide if you need further tests or treatment.
(References)
Sobocki BK, Kaźmierczak-Siedlecka K, Folwarski M, Hawryłkowicz V, Makarewicz W, Stachowska E. Pancreatic Cancer and Gut Microbiome-Related Aspects: A Comprehensive Review and Dietary Recommendations. Nutrients. 2021 Dec 10;13(12):4425. doi: 10.3390/nu13124425. PMID: 34959977; PMCID: PMC8709322.
Attebury H, Daley D. The Gut Microbiome and Pancreatic Cancer Development and Treatment. Cancer J. 2023 Mar-Apr 01;29(2):49-56. doi: 10.1097/PPO.0000000000000647. PMID: 36957973; PMCID: PMC10042586.
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