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Diagnosing Diarrhea: What Tests Are Involved?
Published: Jul 20, 2024
When diarrhea strikes, determining the cause is crucial for proper treatment. Discover the diagnostic procedures used to pinpoint the source of the problem.
Initial Assessment
Doctors start with a detailed history and physical examination to identify potential exposure risks. They ask about recent travel, food intake, and any known outbreaks. These initial clues help guide further testing decisions.
Laboratory Tests
Stool samples are commonly tested to identify pathogens like bacteria, viruses, or parasites. Tests may include culture, antigen detection, or PCR to pinpoint the infectious agent. These tests are essential for accurate diagnosis and treatment planning.
When Imaging Is Needed
In some cases, imaging studies like an abdominal X-ray or CT scan may be necessary. These tests help visualize complications or rule out other conditions. Imaging is typically reserved for severe cases or when other tests are inconclusive.
Frequently Asked Questions
Stool tests identify pathogens.
Only in severe or unclear cases.
It helps identify exposure risks.
Yes, mild cases often do.
The Bottom Line
Diagnostic tests are key to identifying the cause of diarrhea and ensuring effective treatment.
References
- Bresee JS, Marcus R, Venezia RA, et al. J Infect Dis 2012; 205:1374.
- Wikswo ME, Kambhampati A, Shioda K, et al. MMWR Surveill Summ 2015; 64:1.
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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