<P> Opioids are substances that act on opioid receptors to produce morphine - like effects . Medically they are primarily used for pain relief , including anesthesia . Other medical uses include suppression of diarrhea , treating opioid use disorder , reversing opioid overdose , suppressing cough , and suppressing opioid induced constipation . Extremely potent opioids such as carfentanil are only approved for veterinary use . Opioids are also frequently used non-medically for their euphoric effects or to prevent withdrawal . </P>
<P> Opioids are substances that act on opioid receptors to produce morphine - like effects . Medically they are primarily used for pain relief , including anesthesia . Other medical uses include suppression of diarrhea , treating opioid use disorder , reversing opioid overdose , suppressing cough , and suppressing opioid induced constipation . Extremely potent opioids such as carfentanil are only approved for veterinary use . Opioids are also frequently used non-medically for their euphoric effects or to prevent withdrawal . </P>
the analgesic effect of opioids is due to their
the analgesic effect of opioids is due to their
morphine - like effects
morphine - like effects