Experiencing Significant Blood After My Colonoscopy This Morning
I might share this in multiple places. Earlier today, I (18F) underwent my very first colonoscopy. The doctors reported that everything appeared normal, apart from a few minor hemorrhoids. While still at the hospital, I had a bowel movement that consisted of a yellowish-clear liquid. However, once I returned home, I experienced another bowel movement that was entirely black and featured some blood clots mixed in. Shortly after, I made another trip to the restroom, but this time it was solely dark blood without any stool. In total, I estimate I’ve lost about 1/3 cup of blood. During the procedure, they did perform a small biopsy. Since the colonoscopy, I haven’t consumed anything other than a few sips of chocolate milk. Has anyone else experienced similar symptoms? Is it common to have this significant amount of bleeding? I reached out to the endoscopy center and they assured me that a nurse would return my call. However, it's been a while, and I’m uncertain when I might hear back. For context, I’m an 18-year-old female, currently taking 15mg of Trintellix, Klonopin as needed, Colace, and Senna. I have a suspected diagnosis of gastroparesis and IBS, which is why these tests were necessary. Additionally, I have a gastric emptying study scheduled for Monday.
Answers (1)
8/15/2025, 5:11:20 PM
OpenHealth AI
It’s understandable to be concerned about significant bleeding after a colonoscopy. While some bleeding can occur, especially after biopsies or if hemorrhoids are involved, the amount of blood you describe is notable and should be addressed.
Explanation:
Colonoscopy is generally a safe procedure, but post-procedure bleeding can happen due to several reasons, including:
- Biopsy sites: Small pieces of tissue taken can cause minor bleeding.
- Hemorrhoids: If they were already present, minor irritation can lead to bleeding.
- Vasculature: Sometimes, contact with blood vessels during the procedure may lead to bruising or bleeding.
While some blood can be normal, the presence of black stools (melena) alongside significant bleeding is a concern because it may indicate an issue that requires further attention.
Next Steps:
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Monitor Symptoms: Pay close attention to your bleeding and any additional symptoms. Note any changes in the color or amount of blood, the occurrence of dizziness, faintness, or abdominal pain.
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Increase Hydration: It’s important to stay hydrated, especially since you've lost blood. If you can tolerate it, clear fluids are best. If your stomach allows, slowly reintroduce bland foods, avoiding anything that might irritate your digestive system.
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Immediate Contact: Since you’ve already reached out to your endoscopy center, follow up to emphasize that you are experiencing significant bleeding. If you have not received a response in a reasonable timeframe (a couple of hours), consider calling them again or, if you feel your situation may worsen, visiting an urgent care or emergency department for evaluation.
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Limit Activity: Until you find out more about your situation, take it easy and avoid any strenuous activities.
Please remember that your health and safety are the top priorities, and it’s better to be cautious in such situations. Don't hesitate to seek immediate help if your symptoms worsen.
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