I Resently Ended Up In The E.r. With Intense Abdominal

I resently ended up in the e.r. With intense abdominal pain for 4 days in the left under rib area that went around to left kidney area. My blood pressure was lower than usual and I was tested blood work showed low potassium. I have been on topomax for many yrs. for seizures after a stoke in 2010