While extensive clinical studies evaluating the use of naltrexone hydrochloride in detoxified, formerly opioid-dependent individuals failed to identify any single, serious untoward risk of naltrexone hydrochloride use, placebo-controlled studies employing up to five fold higher doses of naltrexone hydrochloride up to 300 mg per day than that recommended for use in opiate receptor blockade have […]

Vivitrol blood levels may remain more stable than those of oral naltrexone.

Analysis of dose effect functions revealed a significant positive correlation between ethanol intake and increases in accumbal extracellular dopamine levels in saline-treated controls but not in naltrexone-treated rats.

You should carry identification to alert medical personnel to the fact that you are taking naltrexone hydrochloride.