Naloxone is a 8 letter English word. It's valid Scrabble word worth 15 points. It's valid Words with friends word worth 18 points.
You can make 120 anagrams from letters in naloxone (aelnnoox).
1960-65; by shortening and rearrangement of dihydroxy-, morphinan-, and -one, components of its chemical name
One such drug is naloxone, which can be used to reverse any type of opiate overdose (heroin is an opiate).
In other circumstances, naloxone (also known as Narcan) might work.
The second is naloxone, the antagonist, meaning that it stops the action of other opiates, like heroin.