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  • A painkiller, or an analgesic, is any member of the group of drugs used to relief from pain.
  • The painkiller drugs act in various ways on the peripheral and central nervous systems. They are distinct from anesthetics, which reversibly eliminate sensation.
  • In choosing a painkiller, the severity and response to other medication determines the choice of agent. The painkiller choice is also determined by the type of pain.
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11y ago

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