Bulimia nervosa is a serious eating disorder characterized by binge eating followed by purging. Purging can be done through vomiting, laxative abuse, or excessive exercise. People with bulimia may also engage in other harmful behaviors, such as restricting their food intake, using diet pills, or abusing alcohol or drugs.
Dentists can often tell if someone is purging by looking at their teeth. Purging can cause a number of dental problems, including: