Is It Blood in My Stool? Black Spots in Bowel Movements - Gastroenterology and Hepatology

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Is this blood in the stool?


Hello, doctor! Today, I noticed some small brown-black spots scattered throughout my stool, while the rest of the stool color appears normal.
Although I did eat chocolate on Friday and Saturday, I had a bowel movement on Sunday, and today is Monday.
The chocolate I ate should have been fully digested by Sunday, right? Why are there still black spots? Could it be caused by other foods? Is green onion a possibility? Please help me with this.
Thank you!

Nìmíng, 20~29 year old female. Ask Date: 2017/04/03

Dr. Cai Anshun reply Gastroenterology and Hepatology


Hello: If you have any doubts, you can visit a gastroenterologist and have a stool occult blood test.
Changhua Hospital cares about your health.
Dr.
Tsai An-shun.

Reply Date: 2017/04/03

More Info


When you notice black spots in your stool, it can be concerning and may lead to questions about the underlying cause. In your case, you mentioned that the rest of your stool appears normal, and you recently consumed chocolate. It’s important to understand that the appearance of black spots can be attributed to several factors, including dietary choices, but it can also indicate potential health issues.

Firstly, let’s consider the dietary aspect. Foods that are dark in color, such as chocolate, can indeed cause dark specks in your stool. Other foods, like black licorice, blueberries, or even certain vegetables like beets, can also contribute to changes in stool color. However, if the black spots persist beyond the time frame of consuming these foods, it may warrant further investigation.

Another important factor to consider is the possibility of gastrointestinal bleeding. Black or tarry stools (known as melena) can indicate bleeding in the upper gastrointestinal tract, such as from the stomach or small intestine. This bleeding can result from various conditions, including ulcers, gastritis, or even more serious issues like tumors. If the black spots you are observing are accompanied by other symptoms such as abdominal pain, dizziness, or changes in bowel habits, it is crucial to seek medical attention promptly.

In your case, since you mentioned that the black spots appeared after consuming chocolate, it is possible that they are related to your diet. However, if you have any doubts or if the symptoms persist, it is advisable to consult a healthcare professional. They may recommend a stool test or other diagnostic procedures to rule out any serious conditions.

In summary, while the black spots in your stool could be harmless and related to your diet, it is essential to monitor your symptoms closely. If you notice any additional concerning signs or if the black spots do not resolve, please reach out to a healthcare provider for a thorough evaluation. They can provide you with the appropriate guidance and treatment options based on a comprehensive assessment of your health. Remember, it’s always better to err on the side of caution when it comes to your health.

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