Blood in Stool: Is It Related to Hemorrhoids or Something More Serious? - Gastroenterology and Hepatology

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Blood in the stool?


Recently, I experienced pain in my buttocks and after examination, I was diagnosed with internal hemorrhoids.
There was no bleeding until today, after undergoing a digital rectal exam, I noticed a trace of blood in my stool (the image is linked above).
I would like to know if this is related to the internal hemorrhoids, or if it could be influenced by the digital rectal exam today.
Is there a possibility that this could be related to colorectal cancer?

Chen Yu, 20~29 year old female. Ask Date: 2022/12/01

Dr. Chen Shidian reply Gastroenterology and Hepatology


It may be bleeding from the anal microvessels, which is associated with internal hemorrhoids or anal fissures and is not related to colorectal cancer.

Reply Date: 2022/12/01

More Info


Blood in the stool can be a concerning symptom, and it is essential to approach this issue with caution. The presence of blood in your stool can arise from various causes, ranging from benign conditions like hemorrhoids to more serious issues such as colorectal cancer. Given your history of internal hemorrhoids and the recent rectal examination, it is plausible that the blood you observed could be related to your hemorrhoids. Hemorrhoids can cause bleeding, especially during bowel movements, and this bleeding can sometimes be minimal and not noticeable until it appears in the stool.

However, it is crucial to consider other potential causes of rectal bleeding. The fact that you experienced pain in your rectal area prior to the bleeding could indicate that the hemorrhoids are inflamed or aggravated. Additionally, the rectal examination itself may have caused some minor trauma to the area, leading to the blood you observed. This is not uncommon, especially if there was any straining or if the hemorrhoids were already irritated.

Despite these possibilities, it is essential to rule out more serious conditions. Colorectal cancer, for instance, can present with rectal bleeding, changes in bowel habits, or abdominal discomfort. While the likelihood of cancer increases with age and certain risk factors, it is important to take any instance of blood in the stool seriously, especially if it is a new symptom or if it persists.

To address your concerns, I recommend the following steps:
1. Consult a Healthcare Professional: It is vital to discuss your symptoms with a healthcare provider, preferably a gastroenterologist. They can perform a thorough evaluation, which may include a colonoscopy to visualize the colon and rectum directly. This procedure can help identify any abnormalities, including hemorrhoids, polyps, or signs of cancer.

2. Monitor Symptoms: Keep track of any additional symptoms you may experience, such as changes in bowel habits, abdominal pain, weight loss, or fatigue. This information can be helpful for your healthcare provider in determining the cause of your symptoms.

3. Avoid Self-Diagnosis: While it is tempting to search online for answers, self-diagnosis can lead to unnecessary anxiety. Rely on professional medical advice for an accurate diagnosis and appropriate treatment.

4. Follow-Up: If your symptoms persist or worsen, ensure you follow up with your healthcare provider. Persistent bleeding, especially if it increases in volume or frequency, warrants further investigation.

In summary, while the blood in your stool may be related to your internal hemorrhoids or the recent rectal examination, it is crucial to rule out more serious conditions. A healthcare professional can provide the necessary evaluation and guidance to ensure your health and peace of mind. Remember, early detection and intervention are key to managing any potential health issues effectively.

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