Chapter 11

Narcotic Analgesics

LEARNING OBJECTIVES
  • Define analgesics and their utility

  • List the subtypes of opioid receptor and their functions

  • Describe the mode of action of narcotic analgesics

  • Describe the pharmacophoric requirement for a molecule to act as opioid antagonist

  • Describe the development of morphine and their derivatives

  • Illustrate the structure-activity relationship of various narcotic analgesics

  • Define narcotic antagonists and their utility

11.1 INTRODUCTION

Analgesics are agents that relieve pain by acting centrally to elevate pain threshold without disturbing consciousness or altering other sensory modalities. Pain is a very important protective phenomenon that accompanies many pathological conditions. However, in fulfilling ...

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