I had cramping on a friday evening, then took a mild laxative (although regular constituion, and was a mistake), andway, had sever cramping for 3-4 days, ever small sip of water when right through me. Finally hydrated enough to uritate. Showered and notice a rash going left to right on my pelvic area and a little on my left right, and a few dots on my right back shoulder area. Have had a solid stool now. Mild dull cramping after 5 days still. Never had this type of rash before, ever. Does not necessarily itch, just odd... suggestions for possible causes?