Fleet ready to use enema is for the relief of occasional constipation constipation generally occurs if you have three or fewer bowel movements each week and your stools are hard dry and difficult to pass in this situation fleet enema can provide help and relief how does fleet enema work fleet enema is a saline laxative saline laxatives work by drawing water into the colon which helps produce a bowel movement this provides a soft stool mass and increased bowel action a bowel movement s