Having Treatment For Chronic Pain Management. Now Biopsy Showing Fatty Liver. Suggestions On How To Improve This?

I have been under treatment for chronic pain management due to 5 bulging disc in c spine with osteoarthritis and degenerative disc disease, also have fibromyalgia and depression from dealing with continious pain and fatigue, I am on oxycontin 10 mg four times a day as needed, mscontin 30 mg twice daily, flexeril 10 mg 3 times a day as needed, and prozac 40 mg daily along with diazide and potassium for hypertention, was on lortab, had elevated liver enzymes, then placed on oxycontin, liver functions normal now, but ultrasound of liver, and liver biopsy showed mild fatty liver, steaois. what should I do to prevent further damage, or what can i do to improve liver statis, I am 5 ft and weigh 133.