Rectal Bleeding: When to Seek Further Medical Evaluation - Surgery

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Blood in the stool?


Hello doctor, I have been experiencing intermittent rectal bleeding for the past eight months, with about five to ten episodes of bleeding each month.
During this time, I have seen three doctors, had two digital rectal examinations, and one colonoscopy.
The doctors have all diagnosed it as hemorrhoids.
I have used suppositories and taken hemorrhoid relief pills, and I soak in warm water daily, but it still hasn’t improved.
What should I do to improve this condition, or what other tests should I undergo?

Xiao Yang, 40~49 year old female. Ask Date: 2016/04/11

Dr. Cai Xingzhi reply Surgery


There are many causes of rectal bleeding.
It is important to consult a colorectal surgeon for an accurate diagnosis to ensure appropriate treatment.
The causes of blood in the stool include hemorrhoids, anal fissures, anal polyps, and colorectal cancer, among others.

Reply Date: 2016/04/11

More Info


Rectal bleeding can be a concerning symptom, and it’s important to understand when further medical evaluation is necessary. Based on your description, you have been experiencing intermittent rectal bleeding for eight months, with five to ten episodes per month. You have consulted with doctors multiple times, undergone a digital rectal exam, and had a colonoscopy, all of which indicated that the cause of your bleeding is hemorrhoids. Despite using suppositories, taking medication for hemorrhoids, and practicing warm sitz baths, your symptoms persist.

First and foremost, it’s essential to recognize that while hemorrhoids are a common cause of rectal bleeding, they are not the only potential cause. Other conditions, such as anal fissures, diverticular disease, inflammatory bowel disease (IBD), or even colorectal cancer, can also lead to rectal bleeding. Given that you have been experiencing this symptom for an extended period, it is crucial to ensure that there are no underlying issues that may have been overlooked.

Here are some recommendations for further evaluation and management:
1. Follow-Up with a Gastroenterologist: If you have not already done so, consider seeking a referral to a gastroenterologist. They specialize in digestive disorders and can provide a more comprehensive evaluation of your symptoms. They may recommend additional tests, such as a flexible sigmoidoscopy or a repeat colonoscopy, especially if there are any changes in your symptoms or if you have risk factors for colorectal cancer.

2. Consider Imaging Studies: In some cases, imaging studies such as a CT scan of the abdomen and pelvis may be warranted to evaluate for other potential causes of bleeding, especially if there are concerns about diverticular disease or other structural abnormalities.

3. Dietary and Lifestyle Modifications: While you are already using warm sitz baths and medications, dietary changes can also play a significant role in managing hemorrhoids. Increasing fiber intake through fruits, vegetables, and whole grains can help soften stools and reduce straining during bowel movements. Staying well-hydrated is also crucial. If you are not already doing so, consider discussing the use of fiber supplements with your doctor.

4. Review Medications: Ensure that the medications you are using for hemorrhoids are appropriate and being used correctly. Sometimes, a different formulation or a combination of treatments may be more effective. Discuss with your doctor whether there are alternative treatments available, such as rubber band ligation or sclerotherapy, which can provide relief for persistent hemorrhoids.

5. Monitor Symptoms: Keep a detailed record of your symptoms, including the frequency and amount of bleeding, any associated pain, changes in bowel habits, and any other gastrointestinal symptoms. This information can be invaluable for your healthcare provider in determining the next steps in your evaluation and treatment.

6. Seek Immediate Care for Red Flags: If you experience any alarming symptoms such as significant changes in bowel habits, weight loss, severe abdominal pain, or if the bleeding becomes more profuse, seek immediate medical attention. These could be signs of a more serious condition that requires urgent evaluation.

In summary, while hemorrhoids are a common cause of rectal bleeding, persistent symptoms warrant further investigation to rule out other potential causes. Engaging with a gastroenterologist, considering dietary changes, and monitoring your symptoms closely are essential steps in managing your condition effectively. Your health is paramount, and ensuring that you receive the appropriate care is crucial for your well-being.

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