It Was My First Time Drinking And I'm 15 I

It was my first time drinking and I'm 15 I had big amount is it possible I have like brain damage or memory problems I'm really sacred or would it be my aniexty cause I feel like I'm zoning out but Its like I forget things things but I don't I just don't feel right is this derelization ? I feel like I can't take anything in it's so weird ,my parents don't know I'll drink ,do think that would be then case I'm sacred they will find out ,or is it im overthinking and thinking all these things bad things are happening it's like my brain is another world