Rectal Bleeding: Is It Just Hemorrhoids or Something More? - Surgery

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Rectal bleeding, leukemia?


Hello doctor, I have been experiencing bleeding during bowel movements recently.
There is no blood in my stool, but I notice fresh blood when I wipe.
This has been happening for two weeks, and I have found a significant wound near my anus.
Every time I go to the bathroom, it bleeds, sometimes even staining my underwear.
Is it possible for a fissure to cause this much bleeding? I am very concerned that I might have leukemia.

Zhao, 10~19 year old female. Ask Date: 2020/11/11

Dr. Ke Fangxu reply Surgery


Based on your description, it seems more like the typical symptoms of an anal fissure, which include pain during bowel movements accompanied by slight bleeding.
Sometimes, this may be associated with hemorrhoidal bleeding, which can increase the amount of blood.
The common causes are often constipation or diarrhea.
The fundamental treatment is to improve bowel habits, along with warm sitz baths.
Warm sitz baths can help alleviate pain, maintain cleanliness, and promote blood circulation.
You can also purchase hemorrhoidal suppositories at the pharmacy for use.
Leukemia is unlikely to be the cause.
If the symptoms persist without improvement, it is advisable to consult a physician for evaluation.

Reply Date: 2020/11/11

More Info


Rectal bleeding can be a concerning symptom, and it's understandable that you're worried about the potential causes. Based on your description, it seems that you are experiencing bright red blood when wiping after a bowel movement, and you have noticed a significant wound near your anus. This type of bleeding is often associated with conditions such as hemorrhoids or anal fissures, but it can also indicate other underlying issues.

First, let's discuss hemorrhoids. Hemorrhoids are swollen veins in the lower rectum and anus that can cause discomfort, itching, and bleeding. The blood from hemorrhoids is typically bright red and may appear on the toilet paper or in the toilet bowl. If you have a visible wound near your anus, it could be a sign of an external hemorrhoid or an anal fissure. An anal fissure is a small tear in the lining of the anus, which can occur due to passing hard stools or straining during bowel movements. This condition can cause sharp pain during and after bowel movements, along with bleeding.

The amount of blood you are experiencing can vary. While hemorrhoids and anal fissures can cause noticeable bleeding, the volume of blood should not be excessive. If you are seeing blood that is soaking through your underwear or is significant enough to cause concern, it is essential to seek medical attention.
Your worry about leukemia is understandable, but it is important to note that rectal bleeding is not a common symptom of leukemia. Leukemia may cause symptoms such as fatigue, frequent infections, easy bruising, or bleeding from the gums, but rectal bleeding is typically associated with gastrointestinal issues rather than blood disorders. However, if you have other symptoms that concern you, it is crucial to discuss these with your healthcare provider.

In your case, since the bleeding has persisted for two weeks and is accompanied by a noticeable wound, it is advisable to consult a healthcare professional. They can perform a physical examination and may recommend further tests, such as a colonoscopy, to rule out more serious conditions, including colorectal cancer or inflammatory bowel disease, especially if you have risk factors or a family history of these conditions.

In the meantime, here are some general recommendations to help manage your symptoms:
1. Dietary Changes: Increase your fiber intake to help soften stools and reduce straining during bowel movements. Foods rich in fiber include fruits, vegetables, whole grains, and legumes. Staying hydrated by drinking plenty of water is also essential.

2. Sitz Baths: Taking warm sitz baths can help soothe the area and promote healing. This involves sitting in a few inches of warm water for about 15-20 minutes, several times a day.

3. Avoid Straining: Try to avoid straining during bowel movements, as this can worsen hemorrhoids and fissures. If you are having difficulty, consider using a stool softener or a fiber supplement.

4. Topical Treatments: Over-the-counter creams or ointments designed for hemorrhoids may provide relief from discomfort and promote healing.

5. Seek Medical Attention: If the bleeding continues, worsens, or if you develop additional symptoms such as severe pain, changes in bowel habits, or weight loss, it is crucial to see a healthcare provider promptly.

In conclusion, while hemorrhoids and anal fissures are common causes of rectal bleeding, persistent bleeding warrants a thorough evaluation to rule out more serious conditions. Your health and peace of mind are important, so do not hesitate to seek medical advice.

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