I Have Been Getting Epidural Injections - Two, Two Weeks

I have been getting epidural injections - two, two weeks apart every six months for about 5 years. Then some facet joint injections. I have had to resort to having Tordal injections to help me cope with severe pain. I have DDD, stenosis & herinated & bulging discs from injury as well. I have been on all kinds of pain meds over the years - Tylenol 2 or 3 or 4, percocet. Etc... I am now having problems with my liver enzymes being up higher than they should be. Could this be a side effect of all of thee above? Is there anything I can do to improve my liver function?