Primidone

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 306  52
2007 292  14
2008 272  20
2009 321  49
2010 292  29
Year Rank Change
2011 314  22
2012 353  39
2014 340 -
2015 294  46
2016 237  57

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)
Gabapentin 44,154,514
Lamotrigine 11,276,212
Divalproex Sodium 5,484,270
Phenytoin 2,751,980
Primidone (this drug) 2,115,922
Oxcarbazepine 2,009,881
Zonisamide 942,298

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
  • Mysoline
Generic Drug Synonyms and Salts
  • Primidone

FDA Approval Information

Established Pharmacologic Class (EPC): Anti-epileptic Agent
Initial FDA approval date: Prior to January 1, 1982
First FDA applicant: Rx
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 19.0. Read more about the ClinCalc DrugStats database.

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Updated Jul 19, 2018
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