Changes in Stool Thickness: What You Need to Know - Gastroenterology and Hepatology

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Changes in stool thickness can be a source of concern for many individuals, especially when the stool becomes thinner than usual. In your case, you mentioned that your stool has become as thin as a five to ten-cent coin, which is a notable change from your normal bowel habits. While you have undergone a CEA (Carcinoembryonic Antigen) test last October that yielded normal results, it is understandable that you are still worried about the recent changes in your stool consistency.

Firstly, it is important to recognize that stool thickness can be influenced by various factors, including diet, hydration, and gastrointestinal motility. You indicated that your diet consists of a higher intake of vegetables and fruits, which is generally beneficial for digestive health. However, a sudden increase in fiber without adequate hydration can sometimes lead to changes in stool consistency. It is also worth noting that while a diet rich in fiber is essential for maintaining healthy bowel movements, the type of fiber consumed can affect stool formation differently. Soluble fiber, found in foods like oats and beans, can help form a gel-like consistency, while insoluble fiber, found in whole grains and vegetables, adds bulk to the stool.

The fact that you have not experienced any blood in your stool, significant changes in color, or other alarming symptoms such as severe abdominal pain or weight loss is reassuring. These factors often help rule out more serious conditions such as colorectal cancer or inflammatory bowel disease. However, persistent changes in stool thickness, especially if they are accompanied by other symptoms, should be monitored closely.

You mentioned that your doctor performed a digital rectal examination and an ultrasound, which are valuable diagnostic tools. A digital rectal exam can help assess for any abnormalities in the rectum or anal canal, while an ultrasound can provide insights into the structure of the abdominal organs. If these examinations did not reveal any significant issues, it may suggest that the changes in your stool are functional rather than structural.

One potential explanation for your thinner stools could be related to increased intestinal motility. If your gastrointestinal tract is moving food through more quickly than usual, it may not allow for adequate water absorption, leading to thinner stools. This can sometimes occur in conditions such as irritable bowel syndrome (IBS), where stress and anxiety can exacerbate symptoms. Since you mentioned that you have been experiencing anxiety, it is possible that this could be contributing to your gastrointestinal symptoms.

In terms of next steps, it may be beneficial to keep a food diary to track your dietary intake and any associated changes in your bowel habits. This can help identify any specific foods that may be contributing to the changes in stool thickness. Additionally, consider discussing with your healthcare provider the possibility of further evaluation, such as a colonoscopy, if your symptoms persist or worsen. A colonoscopy can provide a more comprehensive view of the colon and rectum, allowing for the identification of any potential issues that may not have been detected through previous examinations.

In conclusion, while changes in stool thickness can be concerning, they are often related to dietary factors or gastrointestinal motility rather than serious underlying conditions. It is essential to maintain open communication with your healthcare provider and to seek further evaluation if necessary. Monitoring your symptoms and making adjustments to your diet and lifestyle can also play a crucial role in managing your bowel health.