Stomach pain after drinking soju 9 days ago

Hello, please help TT. I am a 20 f, who has discovered that I get asian flush and am allergic to alcohol, I found that out last week Tuesday.

Despite that, I still drank literally 2 tablespoons worth of soju the next day and it has caused a wreck on my stomach ever since.

I am too afraid to tell my relatives, but it hurts so bad. Initially, I told them it with gastritis and they gave me omeprazole (which was my previous medication for this), but still not working. Idk if it’s related, but I got my stomach pumped last year April due to medicine od.