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Search Term: tegaserod (ZELMAC, ZELNORM)


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Drug and Dietary Supplement Profiles

A comprehensive review of the safety and effectiveness of this drug. If the drug is not a Do Not Use product, information on adverse effects, drug interactions and how to use the medication are included.
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  • tegaserod (ZELMAC, ZELNORM)
    We list this drug as a Do Not Use drug because irritable bowel syndrome is not life-threatening, the drug is minimally effective, and it causes diarrhea, ovarian cysts and lack of blood flow to the intestines.

Disease and Drug Family Information

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  • Irritable Bowel Syndrome [hide all summaries]
    The FDA has approved drugs for both diarrhea-predominant and constipation-predominant IBS. The former, alosetron (LOTRONEX) , had to be removed from the market after it caused serious constipation and a condition of decreased blood flow to the intestine called ischemic colitis. The latter, tegaserod (ZELNORM), has also been associated with ischemic colitis and severe, disabling diarrhea, and it is barely effective.

Worst Pills, Best Pills Newsletter Articles

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Additional Information from Public Citizen

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