I Have Been Throwing Up Off N On For 3

I have been throwing up off n on for 3 days. I have a throbbing pulse under my middle rib cage above belly button. Its usually what i drink that i throw up.. if i dont drink much, its usually a very burning yellowish liquid that i throw up. i have acid reflux disease and no on medication. have cramping in feels like intestine under belly button.. does burn when i pee but feels more inside of my body. i started pepto bismul/gingerale yesterday