You will not be able to swallow the saliva that may collect in your mouth during the procedure. This happens because the tube is in your throat. The saliva will be suctioned from your mouth from time to time.

Can you choke during an endoscopy?

The endoscope camera is very slim and slippery and will slide pass the throat into the food pipe (oesophagus) easily without any blockage to the airways or choking. There is no obstruction to breathing during the procedure, and patients breathe normally throughout the examination.

Do you gag during an endoscopy?

“All endoscopic procedures involve some degree of sedation, which relaxes you and subdues your gag reflex,” Dr. Perino said. “Being sedated during the procedure will put you into a moderate to deep sleep, so you will not feel any discomfort when the endoscope is inserted through the mouth and into the stomach.”