Medications not yet evaluated by P&T are considered NON-FORMULARY . . . . . Always check 2 unique patient identifiers - NAME and DATE OF BIRTH - at every step! . . . . . Please be sure to document all clinical activities daily.
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rifAXIMin

rifAXIMin
  • Restricted Xifaxan --> Restricted to use by infectious disease, G.I. specialists or by UAB/Hospitalists (UAB/Hospitalist restricted to use after a 72 hour trial of lactulose or other frontline agent).
  • Restricted Miscellaneous Program Formulary
Drug Name Form Strength Formulary Unrestricted Formulary Restricted Non-Formulary Interchange
Xifaxan TABLET, ORAL 200 mg, 550 mg    

VIEW MORE Rifamycins
CLASS
08122830

Comments:

Infectious Indications:  Formulary, restricted to use by infectious disease and G.I. specialists.

Hepatic Encephalopathy: Formulary, restricted to use by UAB or Hospitalists. Requires a 72 hour trial of lactulose or other frontline agent prior to initiation or may be initiated at time of presentation (without a 72 hr inpatient trial) for patients receiving lactulose as a home medication.

ORDERED FORMULATION

THERAPEUTIC INTERCHANGE

Xifaxan

  • < 900 mg/day
  • 300 mg TID
  • 400 mg TID
  • 400 mg QID

Rifaximin

  • Contact prescriber
  • 550 mg BID
  • 550 mg BID
  • 550 mg TID

The 200 mg tablet is on long-term national shortage. Total daily doses  ≥ 900 mg may be automatically converted to closest dose achievable with the 550 mg tablets during the shortage.


Reviewed: September 28, 2010 and February 22, 2011 and July 26, 2011 (XIFAXAN-550) and December 17, 2013 (200 mg tablet)

Updated: June 2021 (HE Restriction), Sept. 2022 (Xifaxan)


Last updated: Oct. 10, 2022







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