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When Should You Get Tested for Diarrhea?
Published: Sep 22, 2023
Not all diarrhea cases warrant a trip to the lab. Learn when testing is necessary to ensure the right treatment.
Indicators for Testing
Stool testing is generally reserved for severe cases of diarrhea. Indicators include high fever, dehydration, or persistent symptoms lasting more than a week. Those with bloody stools or at high risk, like healthcare workers and the elderly, should also consider testing.
Types of Tests Available
Stool cultures are the most common diagnostic tests to identify bacterial causes. Multiplex molecular panels are also available, which can detect a wider range of pathogens, including viruses and parasites. Your healthcare provider will choose the appropriate test based on symptoms and risk factors.
The Testing Process
A sample is collected when symptoms peak, ensuring the highest chance of detecting the pathogen. The sample is then analyzed in a lab, and results guide the treatment plan. Testing is crucial for public health concerns and preventing outbreaks.
Frequently Asked Questions
Those with severe, persistent, or bloody diarrhea.
It identifies bacterial causes of diarrhea.
Yes, multiplex panels can detect viruses.
During peak symptoms for best results.
The Bottom Line
Testing is a vital step in diagnosing and treating severe diarrhea effectively.
References
- Shane AL, Mody RK, Crump JA, et al. 2017 Infectious Diseases Society of America Clinical Practice Guidelines for the Diagnosis and Management of Infectious Diarrhea. Clin Infect Dis 2017; 65:e45.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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