Last night I was woken with a very intense pain that reached from halfway down my ribcage to below my belly button and all the way round my back. I need to use the bathroom but didn't know which end to point at the toilet! Lol. The pain and double toilet needs along with shivering and violent shaking lasted for about 2 hours and then subsided. I have no idea what happened and wondered if it sounded familiar to anyone, I would be grateful for any help. Thank you for reading.