Drug Usage Statistics, United States, 2008 - 2018

Sulfasalazine Summary for 2018

Estimated number of prescriptions in the United States 947,516
Top drug rank #334 ( 31)
Average total drug cost $27.81 (USD)
Average out-of-pocket cost $8.34 (USD)

Number of Prescriptions Over Time (2008 - 2018)

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
2008 318  3
2009 309  9
2010 350  41
2011 289  61
2012 268  21
2013 278  10
Year Rank Change
2014 249  29
2015 313  64
2016 328  15
2017 303  25
2018 334  31

Drug Cost Over Time (2008 - 2018)

  • Total cost: The average total cost of the medication including the out-of-pocket cost (see below) plus the amount paid by other parties (Medicare, Medicaid, private insurance, Veterans Administration, TRICARE, other state/federal sources, Worker's compensation, and other miscellaneous sources)
  • Out-of-pocket cost: The average payment made by the patient which may include deductibles, coinsurance, copayments, or the cash price paid without insurance coverage.

Related Drugs

Drug Name Total Prescriptions (2018)
Mesalamine 2,284,281
Sulfasalazine (this drug) 947,516

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
  • Azulfidine
  • Azulfidine EN-tabs
  • S.A.S.-500
Generic Drug Synonyms and Salts
  • Sulfasalazine

FDA Approval Information

Established Pharmacologic Class (EPC): Aminosalicylate
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Discn
First dosage form: Tablet (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2008-2018. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 21.1. Read more about the ClinCalc DrugStats database.

All ClinCalc DrugStats figures and graphs on this page are licensed under Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0).


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Updated Jan 18, 2021
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