i had every test done in the book sista!!lol..literally,i had 2 endoscopys done,1 colonscopy thats how they found i had ibs,blood work,cat scan,MRI,small bowel follow threw,x-rays up my you know what,normal x rays on my stomach,stool testing..did i forget anything?!well the zelnorm made me have a bowel movement,i dont know it was werid.i just started it this morning..but i ate something and my gas went crazy and my stomach went haywire and i felt relley sleepy then i tired laying down and i couldnt,and got an appetite went in the kicthen ate some rice chex and then my body started feeling like it was going numb,and everything kinda got dark and i got weak and feel on my knees and started shaking relley bad..then i had the bowel movement and i felt better.im still going to take it though because it gave me a bowel movement,i was suprised because the only thing that usally works for me is the enema.how long have you been taking yours?