Blood in Stool: Causes and Treatment Options - Gastroenterology and Hepatology

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Rectal bleeding


I had very hard stools yesterday, and after I finished, there was a lot of blood in the toilet.
My anus feels a bit painful.
This morning, after having diarrhea, the skin around my anus is very sore, and it has been painful for a day.
Is this an anal fissure or hemorrhoids?

Miss Yang, 20~29 year old female. Ask Date: 2020/03/31

Dr. Chen Shidian reply Gastroenterology and Hepatology


It is likely an anal fissure.
Please seek medical attention and use stool softeners and topical ointments.

Reply Date: 2020/03/31

More Info


When experiencing blood in the stool, it can be alarming and may indicate various underlying conditions. The symptoms you've described, including hard stools followed by bleeding and pain around the anus, suggest that you might be dealing with a condition known as anal fissure, which is a small tear in the lining of the anus. This can occur due to the passage of hard stools, which can stretch and tear the sensitive skin in that area.
The presence of blood in the stool can also be associated with other conditions, such as hemorrhoids, diverticular disease, or even more serious issues like colorectal polyps or cancer. However, given your description of hard stools and subsequent pain, an anal fissure is a likely cause. Hemorrhoids, which are swollen veins in the lower rectum or anus, can also cause similar symptoms, including bleeding and discomfort.


Causes of Blood in Stool
1. Anal Fissures: As mentioned, these are tears in the anal lining caused by passing hard stools. Symptoms include sharp pain during bowel movements and bright red blood on the toilet paper or stool.

2. Hemorrhoids: These can be internal or external and may cause pain, itching, and bleeding. The blood is usually bright red and can be seen on the toilet paper or in the toilet bowl.

3. Diverticulosis: This condition involves the formation of small pouches in the colon wall, which can become inflamed or infected, leading to bleeding.

4. Gastrointestinal Conditions: Other conditions, such as inflammatory bowel disease (IBD), infections, or polyps, can also lead to blood in the stool.

5. Colorectal Cancer: Although less common, especially in younger individuals, any new onset of rectal bleeding should be evaluated to rule out malignancy.


Treatment Options
1. Dietary Changes: Increasing fiber intake can help soften stools and reduce the risk of constipation, which can lead to fissures. Foods rich in fiber include fruits, vegetables, whole grains, and legumes.

2. Hydration: Drinking plenty of water can help keep stools soft and prevent straining during bowel movements.

3. Sitz Baths: Soaking the anal area in warm water can help relieve pain and promote healing of fissures.

4. Topical Treatments: Over-the-counter creams or ointments containing hydrocortisone or witch hazel can help reduce inflammation and discomfort associated with hemorrhoids.

5. Pain Relief: Non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen can help alleviate pain.

6. Medical Intervention: If symptoms persist or worsen, it is essential to consult a healthcare provider. They may recommend further evaluation, including a physical examination or colonoscopy, to rule out more serious conditions.

7. Surgical Options: In cases where conservative treatments fail, surgical options may be considered, particularly for chronic anal fissures or severe hemorrhoids.


When to Seek Medical Attention
If you experience significant pain, persistent bleeding, or if the blood is dark or mixed with stool, it is crucial to seek medical attention promptly. Additionally, if you notice any changes in bowel habits, unexplained weight loss, or other concerning symptoms, these warrant further investigation.

In summary, while the symptoms you describe are likely related to anal fissures or hemorrhoids, it is essential to monitor your condition closely and consult a healthcare professional for a thorough evaluation and appropriate management. Early intervention can prevent complications and promote healing.

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