If you're using an oral along with alcohol, especially heavy drinking, you're putting a lot of strain on your liver.
Only problem I ever had was when I was running winny, which is known to dry out your joints. I drank heavily and my elbows hurt like shit the next day. Other than that its been completely fine. Just had a party last weekend and felt great.
From a muscle building standpoint, heavy drinking, especially high calorie drinks like beer is no good. For one, youre just consuming a bunch of empty calories that have no real benefit for you body, and two, when drinking, most of us are going to want to eat shitty food. Last time I had a whole bag of chocolate donuts, a bowl of cereal, a sandwich, and shit ton of taco bell.
Moral of the story: don't be a pussy, drink up