Introduction: In this publication we analyzed the specific aspects of clinical course in case of combination of chronic pancreatitis and concomitant viral hepatitis C. The aim: Discover the clinical course of chronic pancreatitis with concomitant viral hepatitis C . Materials and methods: 57 patients with chronic pancreatitis and concomitant viral hepatitis c were examined. Diagnosis of chronic pancreatitis and viral hepatitis c was verified based on disease history, clinical symptoms and the results of clinical-instrumental tests. Clinical and biochemical investigations in people with chronic pancreatitis were done in exacerbation and unstable remission phases and for people with viral hepatitis C - in stable remission phase. Results: In patients, who have chronic pancreatitis with concomitant hepatitis C, pain, dyspeptic syndromes and defecation disturbances take the major place in clinical course of the disease. These symptoms were more severe than in the control group (possible difference in numbers in the group of patents with isolate viral hepatitis C (p<0,05). Conclusions: According to the studies data-the negative influence of concomitant viral hepatitis C in clinical course of chronic pancreatitis was identified.