ABSTRACT
Chemical names: N-allyl-noroxymorphone and N-cyclopropylmethylnoroxymorphone
Street names: None noted
Nalaxone
By contrast, naltrexone is effective when swallowed. It is also much longer acting than naloxone. A dose of 50 mg of naltrexone effectively blocks the primary effects of any opiate dose for 24 hours. A 150 mg dose provides blockage for up to 72 hours. If a narcotic is used while the naltrexone dose is in effect, there is no euphoria, no respiratory depression, no relief of pain - no response whatsoever (Ling & Wesson, 1980).
