Naloxone definition

nălək-sōn, nə-lŏksōn
A drug, C19 H21 NO4 , used in its hydrochloride form as an antagonist to narcotic drugs, such as morphine.
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A white, crystalline, nonaddictive, synthetic drug, C19H21NO4HCl, used to counteract the effects of narcotic overdoses.
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A drug, C19 H21 NO4 , used in its hydrochloride form as an antagonist to opioids such as morphine and in combination with buprenorphine for long-term treatment of opioid addiction.
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A drug used to counter the effects of an overdose on opioids (such as heroin or morphine).
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Other Word Forms

Noun

Singular:
naloxone
Plural:
naloxones

Origin of naloxone

  • n(ormal) al(lyl) (hydr)ox(y) (morphin)one compound related to morphine

    From American Heritage Dictionary of the English Language, 5th Edition