The drug opiate-antagonist naltrexone is a treatment for substance abuse.How does it work?

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Naltrexone works as an opiate antagonist by counteracting the effects of opiates and producing withdrawal symptoms. By blocking the opiate receptors, it reduces or eliminates the pleasurable effects of opiates, making it an effective treatment for substance abuse. Naltrexone does not substitute a chemically similar drug or produce a cross-tolerance effect. It also does not produce any temporary euphoric effects if opiates continue to be used.

The Drug Opiate-Antagonist Naltrexone Is a Treatment for Substance Abuse