I have had back pain since 1969, I have now had tow operations, the pain does not stop down my left and right leg, the smallest of my back, I have been taken hydrocodone 10-325 , 6 times a day, with gabapentin 600 mg 4 times a day, this has now stopped, I take lyrica 100mg three times, i am worried my liver is being damaged. they has to be something else I can take to stop the pain and no t damage my liver.