noun

• A powerful opioid drug used in the treatment of severe pain.

  ‘Opiates, including morphine and fentanyl, are powerful painkillers and anesthetics, but they also can slow a person's breathing to a dangerous rate.’

  More example sentences

  • ‘Described as being 30 to 100 times more powerful than morphine, fentanyl is a synthetic opioid that is also used to provide relief to persons suffering with chronic pain.’
  • ‘As a result, pharmaceutical companies have produced alternative opioids such as oxycodone, hydromorphone, fentanyl, methadone, and tramadol.’
  • ‘Other drugs administered included fentanyl, lorazepam, midazolain, propofol, and hydromorphone.’
  • ‘Narcotics such as morphine, meperidine, fentanyl, and methadone typically cause mild arterial hypercapnia in clinically recommended doses.’