Blood in Stool: Causes and When to Seek Further Testing - Gastroenterology and Hepatology

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Blood streaks in stool issue?


Hello, doctor.
Three years ago, I experienced rectal bleeding and underwent a colonoscopy, which revealed two internal hemorrhoids.
I had rubber band ligation performed, and a 0.3 cm hyperplastic polyp was found in the sigmoid colon and removed.
Last year, I had a follow-up colonoscopy, but it was only partial, and no polyps were found.
However, the internal hemorrhoids have recurred, and this year I occasionally experience blood in my stool, usually the day after prolonged walking or sometimes after holding in the urge to defecate until I have time to go to the restroom, or after consuming spicy foods.
The blood appears as red streaks of mucus at the end of my stool.
I try to maintain a diet rich in vegetables and stay hydrated, and I generally have a bowel movement once a day.
The stool is typically well-formed at the front but softer and less formed at the end.
Could my bleeding be caused by the internal hemorrhoids? Additionally, do I need to undergo another colonoscopy?

Guang, 30~39 year old female. Ask Date: 2015/07/31

Dr. Lin Minghui reply Gastroenterology and Hepatology


Hello,
1.
Can a rectoscopy or anoscopy assess the severity of a mole?
2.
Maintaining good lifestyle habits, such as increasing fiber intake, staying hydrated, and exercising, can help establish regular bowel habits.

3.
A colonoscopy can be followed up every 3 to 5 years.

Sincerely,
Dr.
Lin Ming-Hui, Attending Physician, Gastroenterology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2015/07/31

More Info


Understanding blood in stool can be a concerning issue, especially for someone with a history of hemorrhoids and polyps. Based on your description, it seems that the blood you are experiencing during bowel movements could indeed be related to your internal hemorrhoids, particularly since you mentioned that the blood appears as red streaks or mixed with mucus at the end of your stool.
Hemorrhoids are swollen veins in the lower rectum and anus that can cause bleeding, especially during bowel movements. The blood from hemorrhoids is usually bright red and can be seen on the toilet paper or in the toilet bowl. Factors such as prolonged sitting, straining during bowel movements, or consuming spicy or hot foods can exacerbate this condition, leading to the symptoms you are experiencing.
However, it is essential to consider other potential causes of blood in the stool. While hemorrhoids are a common cause, other conditions such as anal fissures, diverticular disease, or even more serious issues like colorectal polyps or cancer can also lead to rectal bleeding. Given your history of a polyp, it is prudent to remain vigilant about any changes in your bowel habits or the appearance of blood.

Regarding your question about whether you need another colonoscopy, it is advisable to consult with your healthcare provider. Since you have a history of polyps and ongoing symptoms, a follow-up colonoscopy may be warranted to rule out any new growths or changes in your colon. The American Society of Gastroenterology recommends regular screenings for individuals with a history of polyps, and your doctor can provide personalized recommendations based on your medical history and current symptoms.

In addition to the colonoscopy, it might be beneficial to keep a diary of your bowel movements, noting any instances of blood, changes in stool consistency, and any associated symptoms such as pain or discomfort. This information can be valuable for your healthcare provider in determining the next steps in your evaluation and management.

In the meantime, managing your hemorrhoids through lifestyle changes can help alleviate some of the symptoms. This includes increasing fiber intake through fruits, vegetables, and whole grains, staying well-hydrated, and avoiding straining during bowel movements. Over-the-counter treatments for hemorrhoids, such as topical creams or suppositories, may also provide relief.

In summary, while your symptoms may likely be related to your internal hemorrhoids, it is crucial to rule out other potential causes of rectal bleeding. A follow-up colonoscopy may be necessary, and you should discuss your symptoms and concerns with your healthcare provider to determine the best course of action. Regular monitoring and proactive management of your gastrointestinal health are essential, especially given your history.

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