I am having sharp stabbing pain in my upper left abdomen?

I am having sharp stabbing pain in my upper left abdomen. After urinating and it comes and goes. I have not eaten anything yet but when I stand up its painting and when I sit down.

FIND THE BEST DOCTORS NEAR YOU

Cardiologists – Cosmetic Surgeons – Dermatologists – Ear, Nose and Throat Specialists – Gastroenterologists – Gynecologists/Obstetricians – Neurologists – Oncologists – Orthopedic surgeons – Pediatricians – Psychiatrists – Pulmonologists – Urologists