How does someone prepare for upper GI and lower GI testing for their digestive tract?
Preparation for upper GI or lower GI testing usually includes following a low-fiber diet for two to three days before the test, not smoking for 12 to 24 hours before the test, not taking certain medications for up to 24 hours before the test, and not eating anything for 12 hours before the test. Your doctor will give you specific instructions. Never stop taking any medications without first discussing it with your doctor.
Additional preparation for the lower GI test usually includes taking oral laxatives and an enema the night before the test. Carefully follow the pre-test directions given to you by your doctor.
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