Rifaximin

Drug Usage Statistics, United States, 2006 - 2016

Number of Prescriptions Over Time (2006 - 2016)

Rank of Top Drugs Over Time

"Rank" refers to the frequency that a given medication is prescribed within a calendar year compared to all other medications. A rank of "4" would indicate that the medication was the fourth most commonly prescribed medication.

Year Rank Change
2006 750  16
2007 520  230
2008 735  215
2009 579  156
Year Rank Change
2010 643  64
2011 611  32
2012 599  12
2016 323 -

Patient Out-Of-Pocket Cost Over Time (2006 - 2016)

"Out-of-pocket" cost refers to the payment made by the patient (either cash price or the copay amount). This value does not include reimbursement from a third party payer (eg, Medicare or private insurance) and does not represent the total drug cost.

Usage Statistics of Related Drugs

Drug Name Total Prescriptions (2016)
Rifaximin (this drug) 1,065,206

Drug Synonyms

Drug synonyms are used during the sanitation and standardization process of "cleaning" the original data source (MEPS). Occassionally, brand names may be listed below that are no longer on the market or are very infrequently used.

Brand Name Synonyms
  • Xifaxan
Generic Drug Synonyms and Salts
  • Rifaximin

FDA Approval Information

Established Pharmacologic Class (EPC): Rifamycin Antibacterial
Initial FDA approval date: 5/25/2004
First FDA applicant: Rx
First dosage form: Tablet (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2006-2016. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 19.1. Read more about the ClinCalc DrugStats database.

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Updated Jul 19, 2018
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