It can be accurately diagnosed and treated. If untreated the bulemic person will feel an increasingly intense compulsion to binge and then purge. Bulemic people often experience dramatic swelling of the salivary glands which leads to enlarged cheeks. Abuse of laxatives and diruetics is common in bulemics. Teeth darkened, the esophogus can become irritated and in fact burst.
Ulcers are common.
There may be rupture of the large or small intestine. Each of these effects can kill you.