Which medications in the drug class Laxatives, Bulk-Producing are used in the treatment of Constipation?

Updated: Jul 05, 2019
  • Author: Marc D Basson, MD, PhD, MBA, FACS; Chief Editor: BS Anand, MD  more...
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Answer

Laxatives, Bulk-Producing

Bulk-forming agents are used for long-term prophylaxis, treatment of constipation, or both in patients without anatomic outlet obstruction.

Psyllium (Metamucil, Fiberall, Bulk-K, Fibro-XL)

Psyllium dosages vary depending on whether the preparations contain sugar or are sugar-free (the former are 50% sugar). These preparations must be taken with water, or they may cause obstruction.

Methylcellulose (Citrucel)

Theoretically, nonfermentable products such as methylcellulose, which produce less gas, are better tolerated than psyllium. Occasionally, patients who cannot tolerate one preparation may do well with another product.


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