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 543  32
2007 529  14
2008 444  85
2009 491  47
2010 551  60
Year Rank Change
2011 435  116
2012 534  99
2013 496  38
2015 489 -
2016 479  10

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)
Sulfamethoxazole; Trimethoprim 6,879,929
Polymyxin B Sulfate; Trimethoprim Sulfate 947,606
Trimethoprim (this drug) 3,583

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) 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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Updated Jul 19, 2018
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