Changes in Stool Shape: When to Seek Medical Advice - Surgery

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The stool has grooves?


Two years ago, my stool became thin for over three months, so I went to the hospital and had a stool test for occult blood, which came back normal.
To ease my concerns, I also underwent a colonoscopy, and the results were normal as well.
After that, my stool returned to a normal thickness.
However, in the past few months, my stool has started to become thin again.
During bowel movements, I feel a significant obstruction at the anal opening.
Due to certain factors, I sometimes go a day without a bowel movement, and on the following day, the front part of my stool is thick, but it gradually narrows, and I notice bright red blood.
My stool also has grooves about 1.5 mm deep, so I went to the hospital to address my internal hemorrhoids.
However, even after the surgery, my stool still has grooves.
Is this a cause for concern? (My stool has a high water content, so it tends to be soft and thin, and the color is mostly normal.
I only apply topical medication for hemorrhoids since my stool is generally soft and thin, and I didn't experience much pain after the internal hemorrhoid surgery.)

Xiao Zhang, 30~39 year old female. Ask Date: 2018/02/07

Dr. Yu Mingchang reply Surgery


Hello: There's nothing serious, just eat more fruits and vegetables.
The Changhua Hospital of the Ministry of Health and Welfare cares about you.

Reply Date: 2018/02/07

More Info


When it comes to changes in stool shape, particularly when you notice that your stool has become thinner or has grooves, it is essential to pay attention to these changes and seek medical advice when necessary. Based on your description, it seems that you have experienced fluctuations in stool consistency and shape, which can be concerning, especially when accompanied by symptoms such as a feeling of obstruction during bowel movements and the presence of fresh red blood.

Firstly, it is important to understand that stool shape can be influenced by various factors, including diet, hydration, and gastrointestinal health. In your case, you mentioned that your stool has a high water content and tends to be soft, which is generally a good sign. However, the appearance of grooves or a significant change in shape, especially if it persists, warrants further investigation.

The fact that you have already undergone a stool test and a colonoscopy, both of which returned normal results, is reassuring. These tests are crucial in ruling out serious conditions such as colorectal cancer or significant bowel obstruction. However, the recurrence of thin stools and the sensation of obstruction could indicate other issues, such as anal fissures, hemorrhoids, or even functional bowel disorders.

Given that you have undergone surgery for internal hemorrhoids and are still experiencing changes in stool shape, it is advisable to follow up with your healthcare provider. They may recommend additional evaluations, such as imaging studies or further gastrointestinal assessments, to determine the underlying cause of your symptoms. It is also essential to discuss the presence of fresh red blood in your stool, as this could indicate bleeding from the rectal area, which should be addressed promptly.

In terms of management, maintaining a high-fiber diet can help improve stool consistency and prevent straining during bowel movements. Foods rich in fiber, such as fruits, vegetables, whole grains, and legumes, can promote regularity and help maintain a healthy digestive system. Additionally, staying well-hydrated is crucial, as adequate fluid intake can prevent constipation and promote softer stools.

If you continue to experience discomfort or changes in your bowel habits, it may be beneficial to consult with a gastroenterologist. They can provide specialized care and may suggest treatments or lifestyle modifications tailored to your specific situation. It is also important to communicate any new or worsening symptoms, as these can provide valuable information for your healthcare provider in determining the best course of action.

In summary, while changes in stool shape can be benign, persistent changes, especially when accompanied by other symptoms, should not be ignored. Regular follow-ups with your healthcare provider, maintaining a healthy diet, and being proactive about your gastrointestinal health are key steps in managing your symptoms effectively. Always prioritize open communication with your healthcare team to ensure that any concerns are addressed promptly and thoroughly.

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