Munson Health
Upper GI Endoscopy

Back to Document

by Carson-DeWitt R

(Upper Gastrointestinal Endoscopy; Esophagogastroduodenoscopy [EGD])

Animation Movie AvailableClick here to view an animated version of this test.

Reasons for Test

Upper GI endoscopy may be recommended if you have:
Conditions that can be diagnosed with upper GI endoscopy include:
  • Ulcers
  • Tumors
  • Polyps
  • Abnormal narrowing
  • Inflammation

What to Expect

Prior to test

Leading up to the test:
  • Your doctor may instruct you to take antibiotics.
  • Arrange for a ride home after the test. Also, arrange for help at home.
  • The night before, eat a light meal. Do not eat or drink anything for 6-10 hours before the test.
  • Talk to your doctor about your medicines. You may be asked to stop taking some medicines up to one week before the procedure, such as:
    • Anti-inflammatory drugs (such as aspirin )
    • Blood thinners, such as clopidogrel (Plavix) or warfarin (Coumadin)

After Test

After the test, you will be observed for an hour. Then, you will be allowed to go home.
When you return home after the test, do the following to help ensure a smooth recovery:
  • Rest when you get home.
  • Ask your doctor if you can resume your normal diet. In most cases, you will be able to.
  • Sedatives can slow your reaction time. Do not drive or use machinery for the rest of the day.
  • Avoid alcohol for the rest of the day.
  • Be sure to follow your doctor's instructions .

How Long Will It Take?

About 10-15 minutes

Will It Hurt?

Yes, you will have discomfort during the test. Your throat will be sore. Also, you may feel bloated after the test.


This test gives your doctor information about the health of your digestive system. The results can help to explain your symptoms. You and your doctor will talk about the results and your treatment plan.


The American Gastroenterological Association

American Society for Gastrointestinal Endoscopy



Canadian Digestive Health Foundation

Health Canada



Davila M, Keeffe E. Complications of Upper Endoscopy. In: Feldman M, Friedman L, Sleisenger M. Sleisenger & Fordtran's Gastrointestinal and Liver Disease . 7th ed. Philadelphia, PA: Saunders; 2002:539-543.

Endoscopy. Mayo Clinic website. Available at: . Updated July 2008. Accessed July 27, 2009.

Pasricha PJ. Gastrointestinal Endoscopy. Cecil Textbook of Medicine . 21st ed. Philadelphia, PA: WB Saunders Company; 2000: 649-653.

Understanding upper endoscopy. American Society for Gastrointestinal Endoscopy website. Available at: . Accessed July 27, 2009.

What is upper GI endoscopy? The American Gastroenterological Association website. Available at: . Accessed July 27, 2009.

Your upper GI. Emory University School of Medicine website. Available at: . Updated May 2004. Accessed July 27, 2009.


Revision Information