Blood in Stool: Is It Hemorrhoids or Anal Fissures? - Surgery

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Blood in the stool?


Hello, doctor.
I would like to ask you some questions.
Recently, I have been experiencing pain in my anus when using the restroom, and there is blood when I wipe after bowel movements, as well as a little blood in my stool.
Could this situation be related to anal fissures or hemorrhoids?

Xuan, 20~29 year old female. Ask Date: 2021/07/22

Dr. Yu Mingchang reply Surgery


Hello: The likelihood of internal hemorrhoids is higher.
Please take some time to consult the Department of Colorectal Surgery at Changhua Hospital, Ministry of Health and Welfare, as they care about your health.

Reply Date: 2021/07/22

More Info


When it comes to the presence of blood in the stool, it is essential to understand the potential causes and implications of such a symptom. Blood in the stool can be alarming, and it is crucial to differentiate between various conditions that may lead to this symptom, such as hemorrhoids, anal fissures, or more serious gastrointestinal issues.

Based on your description of experiencing pain during bowel movements, along with blood on the toilet paper and in the stool, it is indeed possible that you are dealing with either hemorrhoids or anal fissures. Both conditions can cause bleeding and discomfort, but they have different underlying causes and treatment approaches.

Hemorrhoids are swollen veins in the lower rectum or anus, similar to varicose veins. They can be internal or external. Internal hemorrhoids are usually not painful and may cause bright red blood to appear on the stool or toilet paper. External hemorrhoids, on the other hand, can be painful, especially during bowel movements, and may also bleed. The blood from hemorrhoids is typically bright red, indicating that it is fresh and comes from the lower gastrointestinal tract.

Anal fissures, on the other hand, are small tears in the lining of the anus. They can occur due to passing hard stools, straining during bowel movements, or even from prolonged diarrhea. Anal fissures often cause sharp pain during and after bowel movements, and you may notice blood on the toilet paper or in the stool. The blood associated with anal fissures is also usually bright red and may be accompanied by a burning sensation.

To distinguish between these two conditions, consider the following:
1. Pain Level: If you experience sharp, severe pain during bowel movements, it is more indicative of an anal fissure. Hemorrhoids can also be painful, but the pain is often more of a discomfort rather than sharp.

2. Appearance of Blood: If the blood is bright red and appears on the surface of the stool or on the toilet paper, it could be from either condition. However, if you see blood mixed within the stool, it may suggest a more serious issue, and you should seek medical attention.

3. Associated Symptoms: Other symptoms such as itching, swelling around the anus, or a lump may suggest hemorrhoids. If you have persistent pain, a burning sensation, or if the bleeding continues, it is essential to consult a healthcare professional.

4. History of Constipation or Diarrhea: If you have a history of constipation or straining during bowel movements, this may increase the likelihood of developing hemorrhoids or anal fissures.

In any case, it is crucial to avoid self-diagnosing and to consult a healthcare provider for a thorough evaluation. They may recommend a physical examination, and in some cases, further diagnostic procedures such as a colonoscopy, especially if there are concerns about more serious conditions like colorectal cancer.

In the meantime, to alleviate symptoms, consider the following self-care measures:
- Increase Fiber Intake: A diet rich in fruits, vegetables, and whole grains can help soften stools and reduce straining during bowel movements.

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

- Warm Sitz Baths: Soaking in warm water can relieve pain and discomfort associated with hemorrhoids and anal fissures.

- Over-the-Counter Treatments: There are various creams and ointments available that can help reduce inflammation and pain associated with hemorrhoids.

If symptoms persist or worsen, or if you experience significant bleeding, it is essential to seek medical attention promptly. Early diagnosis and treatment can prevent complications and improve your quality of life.

Similar Q&A

Understanding Blood in Stool: Hemorrhoids or Anal Fissures?

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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 le...

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Dr. Ke Fangxu reply Surgery
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Hello doctor, today when I had a bowel movement, I noticed that the end of my stool was red, and when I wiped, there was some dark red blood. I had constipation yesterday, so I strained a bit. Do I have hemorrhoids, or is it simply an anal fissure? Last night, I also experienced ...


Dr. Cai Anshun reply Gastroenterology and Hepatology
Hello: It could be hemorrhoids or anal fissures; however, it is advised to avoid excessive straining during bowel movements and to maintain soft stools. You can drink more water and eat more fruits and vegetables. If you experience persistent pain or bleeding, please consult a co...

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Hello, doctor. Yesterday, I noticed fresh blood in my stool (not mixed with it), and there was blood on the toilet paper (about half a sheet) when I wiped. It was painful when the stool passed through the anus. Today, the stool also caused a stinging pain during passage. The stoo...


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