Occasional stomach aches can be normal, but if they are frequent or severe, your doctor may send you for an upper endoscopy. Dr. Manny goes into the operating room to show us exactly how the procedure is done.

Follow us on twitter.com/foxnewslatino
Like us at facebook.com/foxnewslatino

Follow Dr. Manny on Facebook and subscribe to his YouTube channel for more.

Dr. Manny Alvarez serves as Fox News Channel's Senior Managing Editor for Health News. Prior to this position, Alvarez was a FNC medical contributor. Click here more information on Dr. Manny's work with Hackensack University Medical Center. Visit AskDrManny.com for more.