Not true about Naltrexone: (A) Parenterally administered, (B) Used to prevent relapse of heavy drinking, (C) Long acting, (D) Cause hepatotoxicity
Answer is A. Ans. is 'a' i.e., Parenterally administered Naltrexone (antagonist on all opioid receptors) o More potent than naloxone. It can be given orally It is used as a maintenance drug for opioid addicts - opioid blockade therapy ofpostaddict. o It is also used to decrease craving in chronic alcoholism. o The most impoant side effect is hepatotoxicity.