INDICATIONS
XIFAXAN® (rifaximin) 550 mg tablets are indicated for the treatment of irritable bowel syndrome with diarrhea
(IBS-D) in adults and for the reduction in risk of overt hepatic encephalopathy (HE) recurrence in adults.
IMPORTANT SAFETY INFORMATION
- XIFAXAN is contraindicated in patients with a hypersensitivity to rifaximin, rifamycin antimicrobial agents, or any of the components in XIFAXAN. Hypersensitivity reactions have included exfoliative dermatitis, angioneurotic edema, and anaphylaxis.
- Clostridium difficile-associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including XIFAXAN, and may range in severity from mild diarrhea to fatal colitis. If CDAD is suspected or confirmed, ongoing antibiotic use not directed against C. Difficile may need to be discontinued.
- There is an increased systemic exposure in patients with severe (Child-Pugh Class C) hepatic impairment. Caution
should be exercised when administering XIFAXAN to these patients.
- Concomitant administration of drugs that are P-glycoprotein (P-gp) inhibitors with XIFAXAN can substantially increase the systemic exposure to rifaximin. Caution should be exercised when concomitant use of XIFAXAN and P-glycoprotein (P-gp) inhibitor such as cyclosporine is needed. In patients with hepatic impairment, a potential additive effect of reduced metabolism and concomitant P-gp inhibitors may further increase the systemic exposure to rifaximin.
- XIFAXAN may cause fetal harm. Advise pregnant women of the potential risk to a fetus.
- In clinical studies, the most common adverse reactions for XIFAXAN were:
- HE (≥ 10%): Peripheral edema (15%), nausea (14%), dizziness (13%), fatigue (12%), and ascites (11%)
- IBS-D (≥ 2%): Nausea (3%), ALT increased (2%)
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