When chronic diarrhea persists despite negative testing and empiric treatment, less common possibilities like overflow diarrhea should be considered. In this case study, Allen Hwang, M.D., shares how he used the SITZMARKS® colonic transit test to help uncover the underlying physiological cause of a patient’s symptoms.
Download your copy to discover:
How diarrhea with no identified cause masked underlying constipation
The factors that led to Dr. Hwang’s use of the SITZMARKS colonic transit test
Outcomes following SITZMARKS results, leading to lasting relief for the patient
Benefits of incorporating colonic transit time testing in complex cases

Talking to Your Healthcare Provider
When discussing the SITZMARKS test, be prepared to share:
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Specific constipation symptoms you are experiencing
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How long you’ve had these symptoms
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Treatments you’ve already tried (supplements or over-the-counter medications)
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Any medications you’re currently taking
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Your typical diet and lifestyle and any recent changes

Case Study