Im scared and Idk what to do

hi, I’m 16, I drink a lot and last night I did way too much, got a BAC of 0.20% – 0.30% depending on the website. it’s been a few hours I went to sleep and stuff and I’m at 0.16% now but my body feels tingling and i feel very sick. I’m usually a controlled drinker but idk and im very scared. I can’t tell my parents, I know I shouldn’t take medicine because it can damage my liver more. please give advice idk i cant go to my parents or the hospital. am i poisoned? how do i fix this?