What's wrong with me why can't I drink anymore?

Hello1216
I used to drink 5 times a week in a club 19-22 and was able to go out and drink no problem. Today I had a beer and I feel so nauseous! What's wrong with me? It doesn't matter what it is mixed drinks shot beer wine I feel extremely sick after 1-2. Has anyone had this and had it go away? I stopped drinking because of this but it sucks
What's wrong with me why can't I drink anymore?
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