A person with bulimia nervosa may regularly induce vomiting after eating. Doctors refer to this practice as purging. Purging behavior in bulimia may increase a person’s risk of esophageal cancer.

Russell’s sign is a physical indicator that appears as skin damage on the knuckles or back of the hand, often caused by self-induced vomiting in people with bulimia nervosa. Bulimia nervosa is an ...