Sorry you had to find out the hard way about alcohol, I was in the same boat as you, I was drinking when i got my concusion but had no idea, I mistakenly drank a couple days later and then that weekend along with smoking marijuana

that was almost 3 months ago and im still suffering from a constant head pressure that i fear might be permanent and i have severe insomnia along with all the other glorious symptoms of pcs

do yourself a favor and give up on the alcohol for awhile, I was a heavy drinker, drinking heavily practically every weekend for the last 4 years, looking back on it the only thing drinking ever did was cause me problems and now I have to deal with this terrible ailment with no known time frame of when I might get any relief

I don't mean to go on an anti booze rant im just trying to help ya out, I been down that partying path and look where it got me, in retrospect it totally wasn't worth it but you can't change the past, however you can decide your own future

good luck with your recovery