For patients who do not respond to lifestyle measures, a trial with an osmotic laxative (lactulose, PEG), tegaserod or lubiprostone can be considered. The osmotic laxatives, though effective at ...

Medically reviewed by Sonal Kumar, MD Colonoscopy prep is complete once your poop is a light yellow with no dark particles.

There are a few common types of osmotic laxatives. Miralax (polyethylene glycol, a.k.a. PEG) is a laxative powder that your healthcare provider may recommend to ease your constipation. Miralax ...