I can't take it anymore

i have to retake a midterm chemistry test tomorrow and I'm literally vomiting out of stress, i haven't been this anxious since middle school. i dont understand it at all. next time it will be my last try. the worst part is i have to retake other two exams. one of them is my last try. I'm studying harder than ever rn but honestly i just want to kms. if ill pass I'm going to drink all weekends idk. send me luck please and tell that everything is going to be okay.. or share your experience pls