So I went drinking over the weekend, was pretty hungover the next two days but nothing over the top. Problem is about 2 days later on Monday or Tuesday I started getting these pains in my upper stomach almost every time I take a bite of food or drink.

The pain isn't terrible but I had a sip of liquor the other night and that was real bad. I can't pin point the pain either. Not at all naseuas and I've been going to the bathroom %100 regularly, relieving gas helps somewhat. 

Anyone have an idea what it could be?