Hydrochlorothiazide; Triamterene

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 40 -
2005 28  12
2006 26  2
2007 30  4
2008 37  7
2009 44  7
Year Rank Change
2010 65  21
2011 63  2
2012 73  10
2013 75  2
2014 75 0

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)
Hydrochlorothiazide 50,428,399
Hydrochlorothiazide; Lisinopril 23,095,054
Hydrochlorothiazide; Losartan Potassium 14,028,830
Hydrochlorothiazide; Triamterene (this drug) 10,970,465
Hydrochlorothiazide; Valsartan 6,148,008
Bisoprolol Fumarate; Hydrochlorothiazide 2,885,296

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
  • Dyazide
  • Maxzide
  • Maxzide-25
  • Triamterene And Hydrochlorothiazide
Generic Drug Synonyms and Salts
  • Triamterene; Hydrochlorothiazide
  • Hydrochlorothiazide; Triamterene

FDA Approval Information

Established Pharmacologic Class (EPC): Thiazide Diuretic, Potassium-sparing Diuretic
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Glaxosmithkline Llc
First dosage form: Capsule (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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Gorillas can't learn drug therapy ... but you can. The Top 250 Drugs by ClinCalc Academy
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Updated Mar 4, 2017
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