The two most common causes of vomiting or regurgitation in snakes are low-environmental temperature and handling the animal too soon after eating. ... If the food item remains in the snake's stomach, it will rot and then act as a medium for bacterial growth.

Why does my corn snake keeps regurgitating?

The most likely reason a snake regurgitates its food is that it's handled too soon after eating or is otherwise subjected to stress. The stress triggers a natural reaction in a snake, which is to relieve itself of the bulk of its meal in the event it needs to flee.

Why does regurgitation happen?

Regurgitation happens when a mixture of gastric juices, and sometimes undigested food, rises back up the esophagus and into the mouth. In adults, involuntary regurgitation is a common symptom of acid reflux and GERD. It may also be a symptom of a rare condition called rumination disorder.