Last Evening I Was Feeling Like I Had To Urinate

Last evening I was feeling like I had to urinate frequently but couldn't too much and felt discomfort in that area. In the middle of the night I got up to urinate then went back to back and immediate had severe pain coming from the left middle side of my back to the front. I was doubled over with pain and couldn't stop shaking. After a period of time it eased up and subsided. Today I have slight pain but nothing like in the middle of the night. Should I go to urgent care or wait till tomorrow and call my primary doctor?