rifaximin, Xifaxan (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

PRESCRIBED FOR: Rifaximin is approved for treating patients 12 years or older with traveler's diarrhea caused by Escherichia coli. It also is effective at preventing traveler's diarrhea. It is approved for preventing the recurrence of hepatic encephalopathy in individuals 18 years of age or older. Rifaximin also has been shown to effectively treat non-constipating irritable bowel syndrome.

SIDE EFFECTS: Common side effects associated with rifaximin include:

Many of these side effects are also symptoms of traveler's diarrhea which rifaximin is used for treating. Rifaximin also causes allergic reactions, rash, and itching. Like other antibiotics rifaximin can alter the normal bacteria in the colon and encourage overgrowth of some bacteria such as Clostridium difficile which causes inflammation of the colon (pseudomembranous colitis). Patients who develop signs of pseudomembranous colitis after starting rifaximin (diarrhea, fever, abdominal pain, and possibly shock,) should contact their physician immediately.

Medically Reviewed by a Doctor on 3/30/2015

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