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Diagnosis


To diagnose the underlying cause for diarrhea, the physician often takes a medical history, and performs a physical examination and diagnostic tests. Tests that may be used include the following:

Blood tests (used to rule out certain diseases)
Colonoscopy and sigmoidoscopy (These tests involve using a flexible tube with a light and a camera attached to view the inside of the colon.)
Imaging tests (e.g., barium enema CT scan, ultrasound)
Stool culture (used to diagnose ...Read the full article