Oily Stools: When to Seek Further Medical Evaluation - Internal Medicine

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Oily stools during bowel movements?


In the past month or two, I have noticed some oily residue in the toilet water after bowel movements.
Although my stools are well-formed, I still feel an oily sensation when wiping.
I don't experience much abdominal pain.
I have undergone an abdominal ultrasound and blood tests to check pancreatic enzymes, all of which were normal.
I also had an endoscopy that revealed gastroesophageal reflux disease (GERD), but after taking the prescribed medication, my symptoms have not improved.
Should I consider more advanced diagnostic tests?

Mr. Lin, 20~29 year old female. Ask Date: 2019/10/06

Dr. Hong Yuanbin reply Internal Medicine


Hello, the first step is to confirm whether it is "oil." It is recommended to not flush the toilet after a bowel movement.
If it is oil, you will see oil floating on the surface of the water next to the stool.
If you do not see this, the likelihood of it being "oil" is low; it may just be regular moisture.
If you confirm that it is oil, based on your description, the most common causes are excessive consumption of fatty foods or the use of weight loss medications or health supplements that can lead to oily stools.
If you do not have either of these conditions, it is usually necessary to check for issues with the biliary system and the pancreatic system.
According to your description, it seems that relevant tests have already been arranged.
If problems persist, it is advisable to consult a gastroenterologist, as further imaging studies such as a CT scan or MRI may be needed.
Thank you for your inquiry.

Reply Date: 2019/10/06

More Info


Oily stools, also known as steatorrhea, can be a concerning symptom that may indicate underlying gastrointestinal issues. The presence of oil in your stool can be attributed to several factors, including malabsorption of fats, dietary choices, or specific medical conditions. Given your recent experiences with oily stools, it is essential to understand when further medical evaluation is warranted.

From your description, it appears that you have been experiencing oily stools for the past couple of months, accompanied by a sensation of oiliness when wiping, but without significant abdominal pain. You have already undergone an abdominal ultrasound and blood tests, which showed normal pancreatic function, and you have had an endoscopy that revealed gastroesophageal reflux disease (GERD). Despite treatment for GERD, your symptoms persist.


When to Seek Further Evaluation
1. Persistent Symptoms: If the oily stools continue despite treatment for GERD, it is crucial to seek further evaluation. Persistent steatorrhea can indicate malabsorption, which may be due to conditions such as celiac disease, chronic pancreatitis, or other gastrointestinal disorders.

2. Associated Symptoms: While you mentioned that you do not experience significant abdominal pain, it is important to monitor for any new symptoms. If you develop weight loss, diarrhea, abdominal pain, or changes in appetite, these could be signs of a more serious condition that requires immediate attention.

3. Dietary Factors: Consider your dietary intake over the past few months. High-fat meals can lead to oily stools, especially if your body is not adequately digesting fats. If you have made any significant changes to your diet, it may be worth discussing this with your healthcare provider.

4. Family History: If there is a family history of gastrointestinal diseases, such as pancreatitis or celiac disease, it may warrant further investigation.


Recommended Next Steps
Given your current situation, it may be beneficial to discuss the following with your healthcare provider:
- Stool Tests: A stool test can help determine the fat content in your stool, which can indicate malabsorption. A 72-hour stool collection may be recommended to measure fat excretion.

- Imaging Studies: If not already performed, imaging studies such as a CT scan of the abdomen may provide more detailed information about the pancreas and other abdominal organs.

- Referral to a Specialist: If your primary care physician is unable to determine the cause of your symptoms, a referral to a gastroenterologist may be necessary. They can perform more specialized tests, such as endoscopic ultrasound or specific blood tests for conditions like celiac disease.

- Dietary Consultation: Consulting with a registered dietitian can help assess your diet and identify any potential triggers for your symptoms. They can also guide you on how to manage your diet to minimize oily stools.


Conclusion
In summary, while your initial tests have returned normal results, the persistence of oily stools is a symptom that should not be ignored. It is advisable to follow up with your healthcare provider to discuss your ongoing symptoms and consider further testing. Early intervention can lead to better outcomes, especially if an underlying condition is present. Remember, your health is paramount, and seeking clarity on your symptoms is a proactive step towards maintaining your well-being.

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