Development of hepatic encephalopathy in a patient with cirrhosis is associated with poor survival rate of 10-70% at one year depending upon hepatic and renal functions. Treating patients to prevent development of first episode of hepatic encephalopathy is classified as primary prophylaxis of hepatic encephalopathy and preventing recurrence of hepatic encephalopathy in patients who had previous episode of hepatic encephalopathy is secondary prophylaxis of hepatic encephalopathy