What Are the Basics of Anorexia?

1 Answer

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What is the definition of anorexia?

Anorexia, also called anorexia nervosa, is a kind of eating disorder. It is characterized by the decreased sensation of appetite, an abnormally low body weight, an intense fear of gaining weight and a distorted perception of weight.

What are the signs or symptoms of anorexia?

The possible signs or symptoms of anorexia include:
  • Fatigue
  • Insomnia
  • Dizziness
  • Dehydration
  • Thin appearance
  • Poor appetite
  • Extreme weight loss
  • Dry or yellowish skin
  • Swelling of arms or legs
  • Irregular heart rhythms
  • Low blood pressure
  • Absence of menstruation
  • Constipation and abdominal pain
  • Intolerance of cold
  • Hair that thins, breaks or falls out
  • Bluish discoloration of the fingers

What are the causes of anorexia?

There are many possible causes of anorexia. Some diseases, certain drugs and even some environmental factors such as a new school or home can lead to anorexia. The diseases that may lead to anorexia include:
  • Cancer
  • Chronic pain
  • Chronic kidney disease
  • Celiac disease
  • Acute radiation syndrome
  • Addison's disease
  • Atypical pneumonia (mycoplasma)
  • Acute viral hepatitis
  • Dementia
  • Tuberculosis
  • Thalassemia
  • Ulcerative colitis
  • Zinc deficiency
The medicines that may lead to anorexia include:
  • Stimulants such as caffeine, nicotine, and cocaine
  • Amphetamine (Adderall), dextroamphetamine (Dexedrine & Dextrostat), lisdexamfetamine (Vyvanse)
  • Byetta
  • Abrupt cessation of appetite-increasing drugs, such as cannabis and corticosteroids
  • Methylphenidate (Ritalin & Concerta)
  • Methamphetamine (Desoxyn)
  • Opiates (such as morphine, heroin, oxycodone, etc.)
  • Topiramate (Topamax)
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