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Anorexia—Adult

(Anorexia Nervosa—Adult)

by Cynthia M. Johnson, MA

• Definition • Causes • Risk Factors • Symptoms • Diagnosis • Treatment • Prevention
En Español (Spanish Version)
More InDepth Information on This Condition
 

Definition

Anorexia is an eating disorder. People who have it are obsessed with losing more weight than needed. They may do this through methods like like excess physical activity or forced vomiting.

 

Causes    TOP

The cause is not known. It appears to be a mix of genes and the environment.

 

Risk Factors    TOP

This problem is more common in young women. Other things that may raise the risk are:

  • Low self-esteem
  • Feelings of helplessness
  • Wanting to be perfect
  • Fear of gaining weight
  • Pressure to be thin
  • Having other family members with this problem
  • Stress
  • Having other mental health problems, such as depression or anxiety
  • A way of life that highlights being thin as ideal
 

Symptoms    TOP

Physical symptoms may include:

  • Losing too much weight
  • Hair loss or growth of fine hair on the body
  • Yellow or dry skin
  • Loss of monthly periods in women
  • Fainting or light-headedness
  • Problems passing stool
  • Rapid heartbeat
  • Cold hands and feet

Mental and behavioral issues may include:

  • An obsession with food and how much fat and calories are in it
  • Dieting even when thin
  • A fear of gaining weight even when a person is underweight
  • Seeing oneself as overweight when one is not
  • Excess exercising
  • Being secretive about food
  • Mood swings
  • Lack of interest in sex

Body Dysmorphia

Anorexia

Copyright © Nucleus Medical Media, Inc.

 

Diagnosis    TOP

The doctor will ask about your symptoms and health history. A physical exam will be done. This may be enough to make the diagnosis.

A mental health exam may also be done. Other tests may be:

  • Blood tests
  • ECG to check heart function
  • Bone density tests
 

Treatment    TOP

The goal is to return to and stay at a healthy weight. Choices are:

  • Nutrition counseling
  • Counseling, such as cognitive behavioral therapy (CBT) and family therapy
  • Medicines, such as:
    • Antidepressants to balance chemicals in the brain
    • Vitamins and minerals to boost nutrition
    • Hormone replacement therapy for women
 

Prevention    TOP

There are no known guidelines to prevent this health problem.

RESOURCES:

National Association of Anorexia Nervosa and Associated Disorders
http://www.anad.org

National Eating Disorders Association
https://www.nationaleatingdisorders.org

CANADIAN RESOURCES:

Canadian Mental Health Association
https://cmha.ca

National Eating Disorder Information Center
http://www.nedic.ca

REFERENCES:

Anorexia nervosa. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/anorexia-nervosa. Accessed November 17, 2020.

Anorexia nervosa. Merck Manual Professional Version website. Available at: https://www.merckmanuals.com/professional/psychiatric-disorders/eating-disorders/anorexia-nervosa. Accessed November 17, 2020.

Anorexia nervosa. Office on Women's Health website. Available at: https://www.womenshealth.gov/mental-health/mental-health-conditions/eating-disorders/anorexia-nervosa. Accessed November 17, 2020.

Zipfel S, Giel KE, et al. Anorexia nervosa: aetiology, assessment, and treatment. Lancet Psychiatry. 2015 Dec;2(12):1099-1111.



Last reviewed September 2020 by EBSCO Medical Review Board Adrian Preda, MD
Last Updated: 04/21/2021

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