It's 750mg/500mg of Acetimaphen (sp?) or whatever that comes along with the Hydrocodone, brotha. Thats the reasons Vic's tear up yo' liver. This also applies with most other painkillers that have 2 ingredients. Stick with the pure shit if you can, and dont fucking drink and take them, it'll RIP your shit up and we're talking ulcer action if you do it often. Word.