30yrold f, 5'4, 140lbs. the last 3 days i've been peeing ALOT, not drinking as much as usual, dry mouth, i woke up w/horrible diarrhea @11am, my stomache feels awful not nauseaus as much as it just feels "heavy" and crampy and horribly uncomfortable-my back has been extremely sore also for about 3 days as well. i've taken tums & pepto 3 times since 7pm w/no luck about upset stomache(no diarrhea), can u plz help me