Hydrocodone is an immediate release, short-acting medication that lasts for about 6 hours, but some will still be in your system
even though you don't feel it. The danger is that both narcotics and alcohol depress breathing. You certainly don't want to mix the two and take a chance of not waking up in the morning. While you'll probably be OK with a couple of beers, ask yourself if it's really important to celebrate this birthday with alchohol?