naltrexone

American  

[nal-trek-sohn] / nælˈtrɛk soʊn /

noun

Pharmacology.

1. a nonaddictive substance, C 2 0 H 2 3 NO 4 , used in the treatment of heroin addiction and opiate overdose.

---

naltrexone British  

/ nælˈtrɛksəʊn /

noun

1. a narcotic antagonist, similar to morphine, used chiefly in the treatment of heroin addiction

---

Etymology

Origin of naltrexone

First recorded in 1970–75; by rearrangement of parts of its chemical name

Example Sentences

I have been taking low-dose naltrexone for a couple of years.

From Seattle Times

However, naltrexone, in both short- and long-acting forms, has the opposite pharmacology: it antagonizes mu receptors, occupying them without activating them.

From Scientific American

The most commonly reported side effect of naltrexone was nausea, although it was generally mild and resolved itself as people adjusted to taking the drug.

From New York Times

Only three conventional drugs - disulfiram, naltrexone and acamprosate - are approved to treat alcohol use disorder and there’s been no new drug approvals in nearly 20 years.

From Washington Times

I have read about low-dose naltrexone and have discussed it with my primary care provider.

From Seattle Times