Benicar/Olmesartan Drug Warning

Published On: 31st July 2014


The law firm of Pearson, Randall & Schumacher, P.A. is currently investigating the serious side effects of Olmesartan (sold under the names of Benicar, Benicar HCT, Tribenzor, or Azor).  These side effects include chronic diarrhea with substantial weight loss after prolonged ingestion of Benicar.

Benicar was approved in 2002 by the FDA for treatment of high blood pressure.  In June 2012, researchers from the Mayo Clinic released a study of 22 patients who presented for unexplained diarrhea while on Olmesartan.  The results of the Mayo study were alarming.  14 of the 22 study participants required hospitalization because of chronic diarrhea.  The average weight loss was 39 pounds for each person in the study and stool frequency was extremely high as well, with an average of 6 evacuations per day.  The average length of time that study participants were on Olmesartan was 19 months.

The Mayo study and subsequent studies concluded that Olmesartan caused villous atrophy and mucosal inflammation in biopsies of the small intestines of study participants.  The good news is that all of the study participants were able to control their diarrhea once Olmesartan was stopped.  In addition, there are numerous substitutes for medications to control high blood pressure and those other medications do not cause diarrhea.

After the Mayo Clinic study and other studies (including the American College of Gastroenterology) showed the definite link between Olmesartan and diarrhea, the FDA order the drug manufacturer to add a stronger warning label on the drug in July 2013.

If you suffered chronic diarrhea while on an Olmesartan drug (Benicar, Benicar HCT, Tribenzor, or Azor)), we encourage you to seek medical attention first.  Then, we invite you to contact an attorney with the law firm of Pearson, Randall & Schumacher, P.A. for a free consultation.

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