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 291 -
2005 240  51
2006 259  19
2007 251  8
2008 265  14
2009 296  31
Year Rank Change
2010 299  3
2011 264  35
2012 222  42
2013 229  7
2014 250  21

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)
Medroxyprogesterone Acetate 2,727,760
Norethindrone (this drug) 2,237,859
Estradiol; Norethindrone 893,636
Levonorgestrel 174,012
Etonogestrel 3,604

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
  • Camila
  • Errin
  • Heather
  • Incassia
  • Jencycla
  • Micronor
  • Nor-QD
  • Norlutin
  • Aygestin
  • Norlutate
Generic Drug Synonyms and Salts
  • Norethindrone Acetate
  • Norethindrone

FDA Approval Information

Established Pharmacologic Class (EPC): Progestin
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Parke Davis Div Warner Lambert Co
First dosage form: Tablet (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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Updated Mar 4, 2017
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