Blood in Stool: Hemorrhoids or Anal Fissures? - Surgery

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Blood in the stool?


Hello Doctor: For the past couple of days, I have been experiencing a slight sharp pain in my anus during bowel movements.
After I finish, there is blood on the toilet paper, but there is no blood in the toilet bowl.
The first piece of toilet paper has more blood, and then it decreases.
I visited a gastroenterologist in February, who performed a digital rectal exam and diagnosed me with hemorrhoids.
I would like to ask if this is bleeding from hemorrhoids or an anal fissure? Do I need to undergo further examination?

Terry, 40~49 year old female. Ask Date: 2016/03/17

Dr. Ke Fangxu reply Surgery


Based on your description, it seems to be an anal fissure.
The typical symptoms include pain during bowel movements accompanied by slight bleeding.
The causes of anal fissures are often due to hard stools, but diarrhea, frequent bowel movements, or prolonged straining can also lead to fissures.
It is recommended to improve bowel habits and to take warm sitz baths to alleviate symptoms.
Topical ointments and suppositories can also be used for treatment.
If symptoms persist for more than a week without improvement, it is advisable to consult a physician for further evaluation.

Reply Date: 2016/03/17

More Info


When it comes to understanding blood in the stool, it is essential to differentiate between various potential causes, with hemorrhoids and anal fissures being two of the most common culprits. Based on your description of experiencing pain during bowel movements and noticing blood on the first piece of toilet paper, it is quite possible that you are dealing with either hemorrhoids or an anal fissure.

Hemorrhoids are swollen blood vessels in the rectal area that can cause discomfort, itching, and bleeding. The bleeding associated with hemorrhoids is typically bright red and may occur during or after a bowel movement. It is common for the blood to be seen on the toilet paper or in the toilet bowl, but not mixed with the stool itself. Hemorrhoids can be classified into two types: internal and external. Internal hemorrhoids are located inside the rectum and may not be visible, while external hemorrhoids are located under the skin around the anus and can be felt as lumps.

On the other hand, anal fissures are small tears in the lining of the anus, often caused by passing hard stools or straining during bowel movements. They can lead to sharp pain during and after bowel movements, and like hemorrhoids, they can also cause bright red bleeding. The blood from an anal fissure is usually minimal and may be seen on the toilet paper or on the surface of the stool.

Given that you have previously been diagnosed with hemorrhoids, it is plausible that the bleeding you are experiencing is related to this condition. However, the presence of pain and the specific pattern of bleeding you described could also indicate an anal fissure, especially if you have been experiencing constipation or straining during bowel movements.

Further Evaluation and Recommendations:
1. Consult a Specialist: Since you have already seen a gastroenterologist, it may be beneficial to return for a follow-up appointment. They may recommend further examination, such as a colonoscopy or anoscopy, to visualize the rectal area more clearly and rule out other potential causes of bleeding.

2. Symptom Management: In the meantime, consider implementing dietary changes to promote softer stools and regular bowel movements. Increasing fiber intake through fruits, vegetables, and whole grains, along with adequate hydration, can help prevent straining. Over-the-counter stool softeners may also be beneficial.

3. Topical Treatments: For hemorrhoids, topical treatments such as creams or ointments containing hydrocortisone can help reduce inflammation and discomfort. If you suspect an anal fissure, applying a topical anesthetic may provide temporary relief.

4. Warm Sitz Baths: Taking warm sitz baths can help soothe the anal area and promote healing, especially if you are experiencing pain.

5. Avoid Straining: It is crucial to avoid straining during bowel movements, as this can exacerbate both hemorrhoids and anal fissures.

In conclusion, while your symptoms could be indicative of either hemorrhoids or an anal fissure, a thorough evaluation by a healthcare professional is essential for an accurate diagnosis and appropriate treatment plan. Do not hesitate to seek medical attention, especially if your symptoms persist or worsen. Early intervention can lead to better outcomes and improved quality of life.

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