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Home Disease Index Bulimia nervosa

 


Overview

Causes
Symptoms
Risk Factor

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Overview

 

Bulimia is an eating disorder characterised by repeated episodes of overeating and a preoccupation with the control of body weight. Studies have shown that up to 1 per cent of the population is suffering from bulimia nervosa at any one time, and this may well be an underestimate. Other studies show that up to 7 per cent of young women consulting their GP have the symptoms of bulimia nervosa.




Causes

 

The cause of bulimia nervosa is unknown. Factors in the patient's social environment are important, including the cultural pressure for women in the Western world to aspire to an unnaturally slim body weight. However, most people with bulimia nervosa maintain a normal body weight. Patients with bulimia nervosa often suffer from low self-esteem.

 



Symptoms

 

According to the World Health Organisation, the criteria for a diagnosis of bulimia nervosa include the following:

  • persistent preoccupation with eating and an irresistible craving for food.
  • episodes of overeating in which large amounts of food are consumed in short periods of time.
  • excessive exercise, induced vomiting after eating, starving for periods of time or taking medicines such as laxatives or diuretics to counteract the bingeing.
  • fear of obesity, which is also seen in people with anorexia nervosa, and there is some overlap in the symptoms of these two diseases.

 

 

Risk Factors

 

During an addisonian crisis, low blood pressure, low blood glucose, and high levels of potassium can be life threatening.

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