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. 2009 May 15:208–246. doi: 10.1016/B0-72-168903-5/50014-8

TABLE 9-12.

Categories of Diseases That Cause Anorexia

  • Psychologic (especially cats)

  • Inability to smell food

  • Dysphagia (especially when it causes pain)

  • Inflammation

  • Because of an etiologic agent

  • Because of immune-mediated disease

  • Because of neoplasia

  • Because of necrosis

  • Because of drugs

  • Alimentary and abdominal disease (especially that which causes nausea or abdominal pain)

  • Neoplasia

  • Because of the neoplasia itself

  • Because of secondary bacterial infection when the neoplasia impairs natural defense mechanisms

  • Toxins

  • Exogenous (various ones)

  • Endogenous (e.g., renal failure, hepatic failure)

  • Endocrine disease

  • Hypoadrenocorticism

  • Hyperthyroidism

  • Central nervous system (CNS) disease

  • Primary

  • Secondary