Drug Usage Statistics, United States, 2008 - 2018

Tadalafil Summary for 2018

Estimated number of prescriptions in the United States 1,893,022
Top drug rank #253 ( 29)
Average total drug cost $364.5 (USD)
Average out-of-pocket cost $63.24 (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 378  19
2009 371  7
2010 393  22
2011 300  93
2012 276  24
2013 222  54
Year Rank Change
2014 285  63
2015 302  17
2016 280  22
2017 282  2
2018 253  29

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)
Sildenafil 2,782,913
Tadalafil (this drug) 1,893,022

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
  • Adcirca
  • Alyq
  • Cialis
Generic Drug Synonyms and Salts
  • Tadalafil

FDA Approval Information

Established Pharmacologic Class (EPC): Phosphodiesterase 5 Inhibitor
Initial FDA approval date: 11/21/2003
First FDA applicant: Rx
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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