Drug Usage Statistics, United States, 2007 - 2017

Number of Prescriptions Over Time (2007 - 2017)

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
2007 38  2
2008 31  7
2009 24  7
2010 23  1
2011 24  1
2012 17  7
Year Rank Change
2013 14  3
2014 12  2
2015 13  1
2016 11  2
2017 11 0

Patient Out-Of-Pocket Cost Over Time (2007 - 2017)

"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 (2017)
Gabapentin (this drug) 46,043,168
Lamotrigine 12,053,691
Divalproex Sodium 5,945,500
Oxcarbazepine 2,452,465
Phenytoin 2,348,516
Primidone 2,075,116
Zonisamide 1,011,331

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
  • Gralise
  • Neurontin
Generic Drug Synonyms and Salts
  • Gabapentin

FDA Approval Information

Established Pharmacologic Class (EPC): Anti-epileptic Agent
Initial FDA approval date: 12/30/1993
First FDA applicant: Rx
First dosage form: Capsule (oral)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2007-2017. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 20.1. Read more about the ClinCalc DrugStats database.


Related Links

Follow Us!

New and Popular


Open Menu

Cite This Page

Show AMA citation

©2020 - ClinCalc LLC. All rights reserved.
Disclaimer - Privacy Policy - Contact Us
Updated Jul 19, 2018
Back to Top