Bulimia signs and symptoms may include: Being preoccupied with your body shape and weight Living in fear of gaining weight Repeated episodes of eating abnormally large amounts of food in one sitting Feeling a loss of control during bingeing — like you can't stop eating or can't control what you eat Forcing yourself to vomit or exercising too much to keep from gaining weight after bingeing Using laxatives, diuretics or enemas after eating when they're not needed Fasting, restricting calories or avoiding certain foods between binges Using dietary supplements or herbal products excessively for weight loss The severity of bulimia is determined by the number of times a week that you purge, usually at least once a week for at least three months.