I am in so much pain right now...am considering going to the emergency room. I've been on Lipitor for 4 or 5 months and have recently began to experience pain in my side from about the middle of my ribs in my back to my hip bone. It has been coming and going and tonight it is almost unbearable. I thought it was just that I had been turning wrong or had pulled a muscle. I was fine this morning when I got up...then I took my medication and within an hour was almost unable to move. The medication is Lipitor. That's when I decided to check out the side effects of Lipitor, because it feels like the pain is in my liver. And I found this site. I am calling my doctor in the morning, that is if I['m still here. I am praying right now the damage isn't too severe to heal on it's on.