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 105  3
2007 101  4
2008 96  5
2009 117  21
2010 108  9
2011 88  20
Year Rank Change
2012 86  2
2013 90  4
2014 86  4
2015 91  5
2016 112  21

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)
Alprazolam 27,030,725
Clonazepam 18,675,680
Lorazepam 14,317,317
Diazepam (this drug) 6,606,346
Temazepam 3,235,551
Triazolam 755,175

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
  • Diastat
  • Diastat Acudial
  • Diazepam Intensol
  • Dizac
  • Q-pam
  • Valium
  • Valrelease
Generic Drug Synonyms and Salts
  • Diazepam

FDA Approval Information

Established Pharmacologic Class (EPC): Benzodiazepine
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Discn
First dosage form: Injectable (injection)

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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Which of these drugs causes acute kidney injury? The Top 250 Drugs by ClinCalc Academy
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Updated Jul 19, 2018
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