Ok ladies I need advice... my stomach has been tight since like 1130 last night and really hasn't let up.. well now I'm…

Ok ladies I need advice... my stomach has been tight since like 1130 last night and really hasn't let up.. well now I'm having really bad period cramp that wrap from my pelvis all the way to my back. I've drank a ton water I've laid down took a bath ect idk what else to do