This has been posted in the wrong forum to get an answer from Dr.D.
I would ask your doctor, while the drinking wine may be related, it sounds like it very well be something else your body is telling you. I am not a doctor, there are other things that could be going on. I would discuss with your doctor and have appropriate tests before thinking it is your liver.
I wouldn't think it could cause pain I would think it's completely unrelated to the matter - however as you have had hepC perhaps you should just ditch the drinking and make sure you save your life...if it hurts that much it doesn't seem to make sense to do it to me.
Sounds like alcohol is not your friend. Have you considered that it might be wise to stop drinking altogether?