Osmotically-Acting Laxatives

Osmotically-acting laxatives are used to treat constipation, hepatic encephalopathy and for colon cleanses. They usually work by increasing the amount of water secreted in the intestines, enabling easier passage of stools. Osmotic laxatives are available in over-the-counter and prescription forms. Commonly used osmotically-acting laxatives include: Miralax (polyethylene glycol PEG), Milk of Magnesia and Cephulac (lactulose).

Drugs classified as Osmotically-Acting Laxatives are frequently used to treat the following conditions:

• Constipation
• Hepatic Encephalopathy

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