Dulcolax tablets are ideal for people seeking overnight relief from constipation they are trusted around the world as gentle reliable and easy to take each small tablet contains a precisely measured amount of the active ingredient bisacodyl this ensures that dulcolax tablets are particularly predictable and reliable 6 to 12 hours after taking an individual dose the colon is gently stimulated and constipation is relieved dulcolax tablets have the special dulcolax comfort coating ensuring