Naltrexone 
        (Revia, United States and Canada) 
        Alcoholism - Search Database - Contact Us 
        UseNaltrexone or Revia is used to reduce alcohol cravings and to 
            cause drinking to be less pleasurable. 
    How It WorksNaltrexone or Revia is a narcotic antagonist, which was 
            originally used for narcotic dependency. Alcohol supposedly 
            stimulates the body's natural opiates. Naltrexone or Revia blocks 
            this stimulation reducing cravings and pleasure. 
            Naltrexone or Revia acts for 24 hours, thus a once daily dose is 
            required. However, addiction counselling and supportive therapy is 
            essential. With Naltrexone or Revia there are less craving, fewer 
            drinking days, fewer drinks per occasion, and a lower incidence of 
            relapse. 
    Side EffectsNaltrexone or Revia can cause nausea, dizziness, 
            headache, and weight loss. Abuse of Naltrexone or Revia has been 
            reported. 
    Cautions
    For PeopleBecause addiction counselling and supportive therapy are 
            an integral part of therapy with Naltrexone or Revia, people must be 
            willing to be involved in a complete program. 
    Drug InteractionsNaltrexone or Revia will block the effects of 
            narcotics, thus for pain relief non narcotic drugs are required. 
            Thioridazine and Naltrexone or Revia use results in lethargy. 
    Further ReadingArch Gen Psychiatry 1992;49:876,887 
            Med Letter 1995;37:64 
    August 1996 The relevant product monographs must be regarded as the 
            appropriate sources of prescribing information. 
    
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