Rectal Bleeding: Is It a Fissure Recurrence or Something Else? - Surgery

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Rectal bleeding


Hello Doctor, I had an anal fissure issue during my senior year of high school, which healed in a little over a week.
It's been nearly a year since then, but recently I've experienced some rectal bleeding during bowel movements.
The pain is not very intense and doesn't last long.
There are almost no blood traces on the toilet paper, but there is blood in the toilet, and the blood is separate from the stool.
I had constipation a couple of days ago and have been sitting for long periods during winter break.
Could this be a recurrence of the anal fissure, or could there be other possibilities? Thank you for taking the time to respond, Doctor.

Niko, 10~19 year old female. Ask Date: 2019/02/11

Dr. Ke Fangxu reply Surgery


Based on your description, it seems more like an anal fissure or mild hemorrhoidal bleeding.
The typical symptoms include pain during bowel movements accompanied by slight bleeding, often caused by constipation or diarrhea.
The fundamental treatment is to improve bowel habits, along with warm sitz baths.
You can also purchase over-the-counter hemorrhoid suppositories for use.
If symptoms persist without improvement, it is advisable to consult a physician for further evaluation.

Reply Date: 2019/02/11

More Info


Rectal bleeding can be concerning, and understanding its potential causes is crucial for appropriate management. Based on your description, it seems you are experiencing some rectal bleeding after a history of anal fissures. While it is possible that this could be a recurrence of an anal fissure, there are several other potential causes to consider.

Anal fissures are small tears in the lining of the anus, often caused by passing hard stools or straining during bowel movements. Symptoms typically include sharp pain during and after bowel movements, and there may be some bleeding, usually bright red. The fact that you have experienced constipation recently could contribute to the recurrence of a fissure, especially if you had to strain to pass a stool.

However, since you mentioned that the pain is not severe and that the bleeding is minimal (only noticeable on the toilet and not on the toilet paper), it is also important to consider other possibilities. Here are some potential causes of rectal bleeding:
1. Hemorrhoids: Swollen blood vessels in the rectal area can cause bleeding, especially during bowel movements. Hemorrhoids can be internal or external, and they may not always cause pain, particularly if they are internal.

2. Anal Fissures: As previously mentioned, a recurrence of an anal fissure is a possibility, especially if you have had a history of them. The bleeding associated with fissures is usually bright red and can occur with bowel movements.

3. Diverticular Disease: Diverticulosis, which involves the formation of small pouches in the colon wall, can lead to diverticulitis, which may cause bleeding. This is more common in older adults but can occur in younger individuals as well.

4. Colorectal Polyps or Cancer: While less common in younger individuals, polyps or colorectal cancer can cause rectal bleeding. This is particularly a concern if there are changes in bowel habits, weight loss, or if the bleeding persists.

5. Infections or Inflammatory Conditions: Conditions such as inflammatory bowel disease (IBD) or infections can also lead to rectal bleeding.

Given your symptoms and history, it is advisable to consult a healthcare professional for a thorough evaluation. They may recommend a physical examination, and possibly a colonoscopy or sigmoidoscopy, to visualize the rectal area and determine the cause of the bleeding.
In the meantime, here are some general recommendations to help manage your symptoms:
- Increase Fiber Intake: Eating a high-fiber diet can help soften stools and reduce straining during bowel movements. Foods rich in fiber include fruits, vegetables, whole grains, and legumes.

- Stay Hydrated: Drinking plenty of water can also help prevent constipation.

- Avoid Straining: When using the bathroom, try to relax and avoid straining, as this can exacerbate fissures or hemorrhoids.

- Warm Baths: Soaking in warm water can help relieve discomfort and promote healing if you have an anal fissure.

- Over-the-Counter Treatments: There are topical treatments available for hemorrhoids and fissures that may provide relief.

In conclusion, while a recurrence of an anal fissure is a possibility, other causes of rectal bleeding should also be considered. It is important to seek medical advice to ensure proper diagnosis and treatment. Early intervention can help prevent complications and improve your overall health.

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