I have severe IBS with constipation. I have been on 2 laxitives every night, plus amitriptylin for last 3 yrs. Now I am experiencing very foul smell when having bowel movements, almost has the odor of vomit. About 3 months ago, I had to undergo an out-patient procedere to open my throat, since it was closed down to a small opening for food to go down. When I address my family doctor about this, it is always diagnosed as acid reflux. I am currently taking protonix daily. Please, advice me on why the sudden odor during bowel movements? If I go without the laxitives then I have no movements for days and my stomach bloats terribly bad. Please, Help! I have been battling IBS for 20 yrs now, have had 6 colonoscopys, 2 upper gi's.