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 530  13
2008 443  87
2009 490  47
2010 550  60
2011 434  116
Year Rank Change
2012 533  99
2013 496  37
2015 489 -
2016 478  11
2017 373  105

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)
Sulfamethoxazole; Trimethoprim 6,212,552
Polymyxin B Sulfate; Trimethoprim Sulfate 1,131,074
Trimethoprim (this drug) 462,200

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
  • Proloprim
  • Trimpex
  • Trimpex 200
  • Primsol
Generic Drug Synonyms and Salts
  • Trimethoprim Hydrochloride
  • Trimethoprim

FDA Approval Information

Established Pharmacologic Class (EPC): Dihydrofolate Reductase Inhibitor Antibacterial
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Discn
First dosage form: Tablet (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.


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Updated Jul 19, 2018
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