Dulcolax® Laxative Tablets are stimulant laxatives made to relieve occasional constipation. Each tablet contains 5 mg of the active ingredient, bisacodyl. Within 6 to 12 hours, a dual-action effect stimulates bowel muscles and hydrates the intestine using water in your body to soften stool and help you go. By stimulating bowel movements, Dulcolax® Laxative Tablets provide gentle, much-needed relief.