Drug Usage Statistics, United States, 2008 - 2018

Diclofenac Summary for 2018

Estimated number of prescriptions in the United States 11,372,069
Top drug rank #72 ( 22)
Average total drug cost $51.73 (USD)
Average out-of-pocket cost $7.86 (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 111  2
2009 120  9
2010 107  13
2011 106  1
2012 80  26
2013 73  7
Year Rank Change
2014 85  12
2015 85 0
2016 79  6
2017 94  15
2018 72  22

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.

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
  • Zorvolex
  • Dyloject
  • Pennsaid
  • Solaraze
  • Voltaren
  • Voltaren Arthritis Pain
  • Voltaren-XR
  • Cambia
  • Cataflam
  • Zipsor
Generic Drug Synonyms and Salts
  • Diclofenac Potassium
  • Diclofenac Sodium
  • Diclofenac

FDA Approval Information

Established Pharmacologic Class (EPC): Nonsteroidal Anti-inflammatory Drug
Initial FDA approval date: 7/28/1988
First FDA applicant: Discn
First dosage form: Tablet, Delayed Release (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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