Naloxone vs. Naltrexone

Naloxonenoun

(pharmaceutical drug) An opioid inverse agonist used to counter the effects of an overdose on opioids (such as heroin or morphine).

Naloxonenoun

a potent narcotic antagonist (trade name Narcan) especially effective with morphine

Naloxone

Naloxone, sold under the brand name Narcan among others, is a medication used to block the effects of opioids. It is commonly used to counter decreased breathing in opioid overdose.

Naltrexonenoun

(pharmaceutical drug) A synthetic drug, similar to morphine, which blocks opiate receptors in the nervous system and is used chiefly in the treatment of heroin addiction.

Naltrexonenoun

an oral antagonist against the action of opiates

Naltrexone

Naltrexone, sold under the brand names ReVia and Vivitrol among others, is a medication primarily used to manage alcohol or opioid use disorder by reducing cravings and feelings of euphoria associated with substance use disorder. It has also been found to be effective in the treatment of other addictions and may be used for them off-label.