Bilirubin crossing limits. Help me.

I frequently get stomach problems. Gastric and acidity with on and off loose stools and burping with some nausea. When I have these feelings,my food intake would come down. It is affecting my day to day life. If I am taking Rabicip medicines, I will be fine but I think I can't take these medications for longer duration. Whenever I go for liver function tests, all the enzymes will be normal except bilirubin levels. My total bilirubin will be varying between 1.5 to 2 and my direct bilirubin will be 0.4 and indirect bilirubin varying between 1.2 to 1.6. I used take alcohol and stopped taking it from last one year. Three years before these bilirubin levels were normal and with in limits I was never having gastric problems. All these variations started from last three years. Is there anything linked to my gastric problems. I am worried if I have any serious liver problems or any thing wierd like cancer kind of disease.Freaking out.please help me. Thank you in advance