Don't take anything........
I have liver damage from prolonged use of perscribed anti-inflams, Vioxx, Relefen, etc...I used to get swelling AND liver pain. My doctor told me drink tons of purified water, it's the best liver detox there is. It works. Be careful of what you eat as well, artifical sweetners, artificial colorings, alcohol... diet soda's.. etc.
Some detox compounds actually put added stress on your liver and you don't need that if your enlarged. After swelling and pain went away I started on Milk Thistle and green tea... been good for quite awhile now. Was your MD able to feel the ridge of your liver? was your upper right quadrent distended a bit? Wish you the best!