Cb Fleet Company Inc Fleet Bisacodyl Enema 1-1/4 oz, Latex-Free Fleet Bisacodyl Enema provides fast relief from occasional constipation. Bisacodyl is the active ingredient that directly stimulates the intestine to increase rhythmic action that pushes feces through the bowel. Fleet Bisacodyl Enema generally produces a bowel movement within 5 to 20 minutes. Fleet Bisacodyl Enema is sodium-free and latex-free.