American gastroenterologists have recently asked the question: does antiviral therapy for hepatitis C induce the development of inflammatory bowel disease? And how does routine treatment of inflammatory bowel disease affect hepatitis C virus (HCV)? Hepatitis C is far more common in the United States and inflammatory bowel disease is more prevalent than in our country. Our statistics in recent years show that these two diseases are catching up with the United Kingdom and the United States. Gastroenterologists in China may soon be faced with the same complexities and difficult treatment issues as their counterparts in Europe and the United States, where chronic hepatitis C infection and inflammatory bowel disease exist in the same patient. Incidence of hepatitis C combined with inflammatory bowel disease Impact of hepatitis C antiviral treatment on the development of inflammatory bowel disease Impact of inflammatory bowel disease treatment on hepatitis C virus