I've had a really bad pain in my left side for 2 days now it's like I've ran a marathon and have a bad stitch not constipated urine seems ok and I'm 54 so no pregnancy or period etc..I do have gall stones and hates hernia paracetamol don't seem to be working very well and I have four more nights of night work it hurts when I breath and cough and stops me sleeping with the pain has anyone else had this and can give me a clue as to what it could be?.