I tried mixing the creatine in my beer once...bad idea. I originally bought creatine to retain a little bit of water to lesson the effects of a hang-over about 4 years ago when I went on a 6-pack a night diet. It worked. Creatine in the morning and beer after work. However, I don't do this anymore.
A long time ago I threw in some eas creatine into a mickey's bigt mouth.. The reaction was crazy.. it foamed up all over the place. After seeing that I decided not to do that in my stomach.. lots of gas. I dont know why it reacted so wierd.