noun[mass noun] Medicine
A synthetic opiate drug which is a powerful painkiller and tranquillizer.
- Opiates, including morphine and fentanyl, are powerful painkillers and anesthetics, but they also can slow a person's breathing to a dangerous rate.
- 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.
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