Clonazepam

Drug Usage Statistics, United States, 2004 - 2014

Number of Prescriptions Over Time (2004 - 2014)

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 63 -
2005 58  5
2006 59  1
2007 61  2
2008 39  22
2009 43  4
Year Rank Change
2010 46  3
2011 40  6
2012 40 0
2013 39  1
2014 41  2

Patient Out-Of-Pocket Cost Over Time (2004 - 2014)

"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 (2014)
Alprazolam 28,897,889
Clonazepam (this drug) 21,068,438
Lorazepam 15,947,170
Diazepam 9,134,522
Temazepam 4,796,392

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
  • Klonopin
  • Klonopin Rapidly Disintegrating
Generic Drug Synonyms and Salts
  • Clonazepam

FDA Approval Information

Established Pharmacologic Class (EPC): Benzodiazepine
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Hoffmann La Roche Inc
First dosage form: Tablet (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2004-2014. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 17.0. Read more about the ClinCalc DrugStats database.

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Updated Mar 4, 2017
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