Chapter

Obesity: Its Pathogenesis And Management

pp 193-227

Anorectic Drugs

  • Trevor Silverstone

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Abstract

Anorectic drugs, as their name implies, are substances which, when given in adequate dosage, produce a state of anorexia, a condition defined as ‘being without appetite’; indeed, anorectic drugs are often called ‘appetite suppressants’. The term ‘appetite’ refers to an individual’s tendency to experience ‘hunger’, a state which, in turn, may be defined as ‘the desire to eat’; hunger being generally regarded as a more immediate sensation than appetite. Hunger can change from hour to hour whereas appetite, although also referring to the desire for food, is usually used in a context where change is less rapid.