Bulimia nervosa, also known simply as bulimia, is an eating disorder characterized by binge eating (eating large quantities of food in a short period of time, often feeling out of control) followed by compensatory behaviors, such as vomiting, excessive exercise, or fasting to prevent weight gain.[9]
Other efforts to lose weight may include the use of diuretics, stimulants, water fasting, or excessive exercise.[2] Most people with bulimia are at normal weight and have higher risk for other mental disorders, such as depression, anxiety, borderline personality disorder, bipolar disorder, and problems with drugs to alcohol. There is also a higher risk of suicide and self-harm.
Bulimia is more common among those who have a close relative with the condition.[2] The percentage risk that is estimated to be due to genetics is between 30% and 80%.[4] Other risk factors for the disease include psychological stress, cultural pressure to attain a certain body type, poor self-esteem, and obesity.[2][4] Living in a culture that commercializes or glamorizes dieting, and having parental figures who fixate on weight are also risks.[4]
Bulimia typically involves rapid and out-of-control eating, which is followed by self-induced vomiting or other forms of purging.[11][9] This cycle may be repeated several times a week or, in more serious cases, several times a day[12] and may directly cause:
As with many psychiatric illnesses, delusions can occur, in conjunction with other signs and symptoms, leaving the person with a false belief that is not ordinarily accepted by others.[20]
People with bulimia nervosa may also exercise to a point that excludes other activities.[20]
^Hay P (July 2013). "A systematic review of evidence for psychological treatments in eating disorders: 2005-2012". The International Journal of Eating Disorders. 46 (5): 462–9. doi:10.1002/eat.22103. PMID23658093.
^McElroy SL, Guerdjikova AI, Mori N, O'Melia AM (October 2012). "Current pharmacotherapy options for bulimia nervosa and binge eating disorder". Expert Opinion on Pharmacotherapy. 13 (14): 2015–26. doi:10.1517/14656566.2012.721781. PMID22946772. S2CID1747393.
^Cite error: The named reference GBD2015Pre was invoked but never defined (see the help page).
^Joseph AB, Herr B (May 1985). "Finger calluses in bulimia". The American Journal of Psychiatry. 142 (5): 655a–655. doi:10.1176/ajp.142.5.655a. PMID3857013.