Question: how long does it take for dulcolax work?
Answer: by Drugs.com After taking Dulcolax tablets you should have a bowel movement within 12 to 72 hours. Dulcolax suppositories generally produces bowel movements in 15 minutes to 1 hour. Different people may however feel the effects at different times. Dulcolax (bisacodyl) is a laxative that stimulates bowel movements.