Primidone

Drug Usage Statistics, United States, 2008 - 2018

Primidone Summary for 2018

Estimated number of prescriptions in the United States 1,437,305
Top drug rank #274 ( 36)
Average total drug cost $28.31 (USD)
Average out-of-pocket cost $9.71 (USD)

Number of Prescriptions Over Time (2008 - 2018)

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
2008 274  18
2009 322  48
2010 292  30
2011 313  21
2012 353  40
Year Rank Change
2014 340 -
2015 294  46
2016 237  57
2017 238  1
2018 274  36

Drug Cost Over Time (2008 - 2018)

  • Total cost: The average total cost of the medication including the out-of-pocket cost (see below) plus the amount paid by other parties (Medicare, Medicaid, private insurance, Veterans Administration, TRICARE, other state/federal sources, Worker's compensation, and other miscellaneous sources)
  • Out-of-pocket cost: The average payment made by the patient which may include deductibles, coinsurance, copayments, or the cash price paid without insurance coverage.

Related Drugs

Drug Name Total Prescriptions (2018)
Gabapentin 45,586,654
Lamotrigine 11,582,775
Divalproex Sodium 5,275,298
Oxcarbazepine 3,915,509
Phenytoin 1,643,498
Primidone (this drug) 1,437,305

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) 2008-2018. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 21.0. Read more about the ClinCalc DrugStats database.

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Updated Nov 19, 2020
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