Beer Light Struck

I felt very dizzy and I did not drink so much?
I was playing beer pong with my friends and i never drink beer i just drinking, but if I do not drink vodka i. tonics Anyway, had to drink all the beer bc my team mate couldnt because he was driving. I had to drink 7 cups filled maaybe even half way but you have to chug, obviously, (which were large red cups). Not even felt this before, but I did harrrd and I have so dizzy and my face burned. I was not aware that I was much of a lightweight! Why this happens only when i drink Coors light, it is because I drank too fast? Only I have 100 pounds by the way …..
He drank too much, too fast, and mixed with vodka. For combustion – you may be allergic to beer.
Bud Light + Clamato = Chelada (taste test)