Fleet Bisacodyl Enemas provide fast, effective relief from occasional constipation Soft, pre-lubricated Comfortip for easy insertion with 25% more lubrication for maximum comfort and ease of use Latex-free and sodium phosphate-free A good option for bowel cleansing before rectal examinations Predictable relief from constipation within 5 to 20 minutes Fleet is the #1 doctor-recommended enema brand.