Which medications in the drug class Bulk-Forming Laxatives are used in the treatment of Irritable Bowel Syndrome (IBS)?

Updated: Dec 11, 2019
  • Author: Jenifer K Lehrer, MD; Chief Editor: BS Anand, MD  more...
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Answer

Bulk-Forming Laxatives

These products are made of natural and semi-synthetic hydrophilic polysaccharides and cellulose derivatives that dissolve or swell in the intestinal fluid, forming emollient gels that facilitate the passage of intestinal contents and stimulate peristalsis. As fiber supplements, these products may improve symptoms of constipation and diarrhea, but their use in irritable bowel syndrome is controversial.

Methylcellulose (Citrucel)

This agent promotes bowel evacuation by forming a viscous liquid and promoting peristalsis.

Psyllium (Metamucil, Fiberall, Reguloid, Konsyl)

Like methylcellulose, psyllium promotes bowel evacuation by forming a viscous liquid and promoting peristalsis.


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