Stool Color Changes: When to Worry About Your Digestive Health - Gastroenterology and Hepatology

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Bowel issues


Hello, Doctor.
After having a bowel movement, I occasionally notice that the stool settles at the bottom of the toilet, and the water appears orange-red, which doesn't look like blood.
I would like to ask if this could indicate bleeding in the digestive system or colon.
Additionally, could eating pumpkin and sweet potatoes affect the stool color? Lastly, I had a colonoscopy three years ago, which showed no issues, and I was diagnosed with irritable bowel syndrome at that time.
Recently, my stool consistency has been normal, but I occasionally experience diarrhea (dark brown), and one day my stool was particularly thick (golden yellow).
Is there a possibility of colon cancer? Thank you, Doctor.

Niming, 20~29 year old female. Ask Date: 2021/08/09

Dr. Cai Anshun reply Gastroenterology and Hepatology


Hello: Colored foods can affect the appearance of stool.
If there is uncertainty, a fecal occult blood test is typically performed.
If the fecal occult blood test shows abnormalities, a colonoscopy is usually arranged to identify the issue.
Changhua Hospital cares about your health.
Dr.
Tsai An-shun.

Reply Date: 2021/08/09

More Info


Understanding stool color changes is essential for assessing digestive health, and it can often provide insights into dietary habits and potential health issues. The color of stool is primarily influenced by what you eat, how well your digestive system is functioning, and the presence of any underlying health conditions.

In your case, the presence of orange-red sediment in the toilet water after a bowel movement is concerning, but it does not necessarily indicate bleeding. The color can be influenced by various factors, including the foods you consume. For instance, foods rich in carotenoids, such as carrots, sweet potatoes, and pumpkin, can impart an orange hue to your stool. Similarly, certain dyes in processed foods or supplements can also affect stool color. If you have recently consumed foods like pumpkin or certain types of squash, it is plausible that they could contribute to the orange-red appearance you are observing.

Regarding your concern about potential gastrointestinal bleeding, it is important to differentiate between the appearance of blood and other substances. Blood in the stool typically presents as bright red or dark, tarry stools, depending on where the bleeding originates in the digestive tract. If the orange-red color you are seeing does not resemble blood and is consistent with your dietary intake, it may not be a cause for alarm. However, if you notice any additional symptoms such as abdominal pain, significant changes in bowel habits, or if the color persists despite dietary changes, it would be prudent to consult a healthcare professional for further evaluation.

As for your history of irritable bowel syndrome (IBS) and the recent variations in stool consistency and color, it is not uncommon for individuals with IBS to experience fluctuations in bowel habits, including episodes of diarrhea and constipation. The deep coffee color of your diarrhea could be related to the foods you are eating or the speed of digestion. Rapid transit through the intestines can lead to less absorption of bile, which can darken the stool. Conversely, the golden-yellow stool may indicate a slower transit time or a higher fat content in the stool, which can occur with certain dietary choices.

The concern about colon cancer, especially given your history of IBS, is understandable. However, the risk of colon cancer is generally low in younger individuals without significant risk factors. Regular screenings, such as colonoscopies, are essential for early detection, especially if you have a family history of colorectal cancer or other risk factors. Since you had a colonoscopy three years ago with no abnormalities, it is likely that your risk remains low, but it is always good to stay vigilant and maintain regular check-ups.

In summary, while changes in stool color can be alarming, they are often benign and related to dietary factors. Monitoring your diet, staying hydrated, and keeping track of any additional symptoms will help you manage your digestive health. If you have persistent concerns or notice significant changes, do not hesitate to reach out to a healthcare provider for personalized advice and potential further investigation.

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