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 333  104
2008 436  103
2009 510  74
2010 479  31
2011 582  103
2012 470  112
Year Rank Change
2013 407  63
2014 380  27
2015 435  55
2016 409  26
2017 408  1

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)
Amoxicillin 27,913,808
Amoxicillin; Clavulanate Potassium 6,398,916
Ampicillin (this drug) 165,428
Penicillin G Benzathine 22,771

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
  • Omnipen-n
  • Penbritin-s
  • Polycillin-n
  • Totacillin-n
Generic Drug Synonyms and Salts
  • Ampicillin Sodium
  • Ampicillin Trihydrate
  • Ampicillin

FDA Approval Information

Established Pharmacologic Class (EPC): Penicillin-class Antibacterial
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) 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