Drug Usage Statistics, United States, 2005 - 2015

Number of Prescriptions Over Time (2005 - 2015)

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
2004 62 -
2005 84  22
2006 106  22
2007 113  7
2008 112  1
2009 116  4
Year Rank Change
2010 132  16
2011 148  16
2012 155  7
2013 168  13
2014 191  23
2015 222  31

Patient Out-Of-Pocket Cost Over Time (2005 - 2015)

"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 (2015)
Lisinopril 112,923,790
Hydrochlorothiazide; Lisinopril 22,027,209
Enalapril Maleate 9,191,299
Amlodipine Besylate; Benazepril Hydrochloride 6,485,664
Benazepril Hydrochloride 6,118,658
Ramipril 6,031,523
Quinapril (this drug) 2,596,752
Benazepril Hydrochloride; Hydrochlorothiazide 1,030,026

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
  • Accupril
Generic Drug Synonyms and Salts
  • Quinapril Hydrochloride
  • Quinapril

FDA Approval Information

Established Pharmacologic Class (EPC): Angiotensin Converting Enzyme Inhibitor
Initial FDA approval date: 11/19/1991
First FDA applicant: Rx
First dosage form: Tablet (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2005-2015. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 18.0. Read more about the ClinCalc DrugStats database.


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Updated Mar 4, 2017
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