What is anorexia nervosa?
A person with anorexia nervosa has a severe eating disorder. The person does not receive enough calories to meet the needs of the body, which results in life-threatening weight loss. People with anorexia nervosa are severely under-weight and have an abnormally low body mass index.

What are the symptoms of anorexia nervosa?
Early symptoms of anorexia nervosa include obsession with diet and exercise, intense fear of gaining weight, and weight loss. Other symptoms include constipation, depression, dry skin, leg swelling, and weakness or fatigue.

How does the doctor treat anorexia nervosa?
Treatment for anorexia nervosa usually includes some combination of group therapy or mental health counseling and medications.