Blood in Stool: Causes and Concerns After Abdominal Surgery - Gastroenterology and Hepatology

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Blood in stool?


Hello, doctor.
I would like to ask about my previous surgery for an abdominal cyst.
Since the operation, I have been experiencing persistent constipation and pain in the lower left abdomen, accompanied by small pinkish spots.
I have consulted many doctors, and each provided different opinions, some suggesting colitis or intestinal adhesions.
There was a brief period when my condition improved, but recently, I feel like it has started again.
I often feel like my bowel movements are incomplete, and my stools have changed from being formed to small, pellet-like pieces.
After a day and a half without any urge to defecate, I became anxious and took a stool softener.
The next evening, I still felt no urge, so I took another dose.
Shortly after taking it, I experienced abdominal pain and had to go to the bathroom.
The stool was hard at the beginning and soft at the end.
I noticed fresh blood on the outside of the stool, and the toilet water had a slight reddish tint.
After wiping, there were small pinkish spots on the toilet paper (which I have experienced before).
After that, I felt no pain in my abdomen and had a sense of relief.
I am worried about the cause of these symptoms.
I have a habit of sitting for long periods, and sometimes I feel pressure in my lower back.

Xiao Miao, 20~29 year old female. Ask Date: 2004/08/08

Dr. Chen Zhiping reply Gastroenterology and Hepatology


Hello: After abdominal surgery, it is possible to experience intestinal adhesions, which can lead to difficulties in bowel movements, constipation, and abdominal bloating.
It is advisable to consume a high-fiber diet, drink plenty of water, and engage in regular exercise to facilitate bowel movements.
The presence of blood from the anus may indicate internal hemorrhoid bleeding; however, if the bleeding persists or is significant, it is important to seek medical attention for a gastrointestinal examination, and if necessary, consider hemorrhoid ligation.
Additionally, it is recommended to take warm sitz baths for 10 to 15 minutes during bathing.
If bowel movements remain difficult, it is suggested to visit an outpatient clinic for stool softeners to assist with bowel movements.
Sincerely, Dr.
Chen Zhi-Ping.

Reply Date: 2004/08/08

More Info


After undergoing abdominal surgery, particularly for conditions like a cyst or other gastrointestinal issues, experiencing changes in bowel habits and the presence of blood in stool can be concerning. Your symptoms, including constipation, abdominal pain, and the appearance of pinkish blood, warrant careful consideration and evaluation.

Firstly, the presence of blood in the stool can arise from several sources within the gastrointestinal tract. Common causes include hemorrhoids, anal fissures, diverticular disease, or more serious conditions such as inflammatory bowel disease (IBD) or colorectal cancer. Given your history of abdominal surgery, it is also possible that adhesions (scar tissue) have formed, which can lead to bowel obstruction or altered bowel function. These adhesions can cause pain and changes in bowel habits, including constipation and the sensation of incomplete evacuation.

The pinkish blood you observed could indicate a few things. If it is bright red, it often suggests that the bleeding is coming from the lower part of the gastrointestinal tract, such as the rectum or anus. This could be due to hemorrhoids or anal fissures, especially if you have been experiencing constipation and straining during bowel movements. On the other hand, if the blood is darker, it may indicate bleeding from higher up in the gastrointestinal tract, which would require further investigation.

Your description of having hard stools followed by softer stools, along with abdominal pain, suggests that you might be experiencing a cycle of constipation and possible bowel irritation. The fact that you felt relief after a bowel movement indicates that there may be a functional component to your symptoms, possibly related to your diet, hydration status, and physical activity levels. Long periods of sitting can contribute to constipation and discomfort, as it may impede normal bowel motility.

Given your ongoing symptoms and the complexity of your medical history, it is crucial to consult with a healthcare provider who can perform a thorough evaluation. This may include a physical examination, a review of your surgical history, and possibly imaging studies or endoscopy to assess for any underlying issues such as adhesions, inflammation, or other abnormalities in the gastrointestinal tract.

In the meantime, consider the following recommendations to help manage your symptoms:
1. Dietary Adjustments: Increase your intake of fiber-rich foods, such as fruits, vegetables, whole grains, and legumes. Fiber can help promote regular bowel movements and prevent constipation.

2. Hydration: Ensure you are drinking enough fluids throughout the day. Adequate hydration is essential for maintaining healthy bowel function.

3. Physical Activity: Engage in regular physical activity, as this can help stimulate bowel motility and reduce the risk of constipation.

4. Avoid Straining: When using the bathroom, try to avoid straining, as this can exacerbate hemorrhoids or lead to anal fissures. If you feel the urge to go, respond promptly rather than delaying.

5. Monitor Symptoms: Keep track of your bowel habits, any changes in symptoms, and the characteristics of any blood in your stool. This information can be valuable for your healthcare provider.

6. Follow-Up Care: Given your surgical history and current symptoms, regular follow-up with your healthcare provider is essential to monitor your condition and address any new or worsening symptoms.

In conclusion, while some causes of blood in the stool may be benign, others can be serious. Therefore, it is important to seek medical attention to determine the underlying cause of your symptoms and receive appropriate treatment.

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