Viral hepatitis is one of the most prevalent diseases  world  wide and  is

   the commonest cause of cirrhosis and  liver cancer. Chronic  viral hepatitis

   can  be caused by, HBV, HCV or HDV  superimposed on HBV, these viruses

   may infect high - risk population  such  as  intravenous  drug abusers and

   hemophiliacs. In order to find out the chronic hepatitis in intravenous drug

   abusers in Hamadan province this study was carried out.

         The study was done as the forensic medicine of Hamadan province , in

   1997-98. The  specimens  was  prepared  as  routine  diagnostic  method in

   histopathologic laboratories.

         Chronic hepatitis were found in 34(14.2%) cases  that 29 (85%) of  them

   were addict with 27 of cases intravenous drug abusers (93.1%) , and in 6 of

   cases with history of addiction there was  no evidnence of the histological

   criterion of chronic hepatitis.

         As other countries ,the majority of our cases were intravenous drug users

   and in active periods of life.