Osmotic laxatives are often used to cleanse the bowel before medical procedures.They base their action on the very little or nothing they are absorbed and by this means forcing the water to enter the intestine with the result of watery diarrhea. At latest update no published data on excretion into breast milk were found. Another laxative with similar estructure which is Sodium Picosulfate (see specific info) is not excreted into breast milk Be aware of drinking enough fluids to avoid dehydration of the nursing mother who is already loosing water by producing about 1 liter of milk a day.