Medical history: Detailed patient history helps identify potential causes. Physical examination: Doctors check for signs of obstruction, masses, or tenderness. Laboratory tests: Blood, stool, and urine tests can identify infections or other abnormalities. Imaging studies: Techniques like CT scans, MRI, and X-rays provide detailed views of the GI tract. Endoscopic procedures: Colonoscopy and endoscopy allow direct visualization and biopsy of the GI tract.
