difference between lactulose and duphalac and the best for constipation, softening stools, and facilitating their passage through the intestines. They are two of the most popular laxatives that work by drawing water from the body into the intestines to soften stool, thus facilitating its passage. They also work effectively in increasing bowel movements, which helps relieve constipation. We will learn the difference between the two laxatives, which is better for constipation, their mechanism of action, active ingredients, benefits, and potential side effects.
Ingredients of lactulose
It contains the active ingredient lactulose, which belongs to the class of osmotic laxatives that work by drawing water from the body into the intestines, thus softening stool and facilitating its passage.
Ingredients of duphalac
It contains the active ingredient lactulose, a laxative made from a type of sugar used to treat constipation and facilitate its passage by drawing water into the intestines.
Scientific Degree: pharmacist
Country: Egypt
Clinical Pharmacist | Medical & Pharmaceutical Content Writer & Reviewer
A licensed Egyptian pharmacist registered with the Egyptian Pharmacists Syndicate, holding a Bachelor of Pharmaceutical Sciences (B.Pharm.) from the Faculty of Pharmacy, Cairo University in Pharmaceutical Chemistry. She possesses extensive hands-on experience in community pharmacy practice and clinical patient education, specializing in pharmacokinetics, drug-drug interactions, and evidence-based dosing guidelines for both adults and pediatrics.
Dr. Nada serves as a medical writer and reviewer at Rosheta, dedicated to simplifying complex pharmacological data for patients while delivering accurate, up-to-date clinical insights rooted in approved prescribing information and official regulatory standards, including the Egyptian Drug Authority (EDA) and the U.S. FDA.
Published Date: 30 August 2025
you should ask your doctor before taking this medicine