Health LibraryTests & ProceduresUpper Endoscopy: Purpose, Procedure, and Results
Tests & Procedures

Upper Endoscopy: Purpose, Procedure, and Results

A camera exam of the food pipe, stomach, and first part of the small intestine.

Medically reviewed
Updated 2026

Preparation

Fasting for 6–8 hours before the procedure. Blood-thinners may need to be adjusted under medical guidance.

What to expect

Sedation is common. The procedure itself takes 10–20 minutes; recovery takes an hour or so.

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