Memantine Hydrochloride

Drug Usage Statistics, United States, 2008 - 2018

Memantine Hydrochloride Summary for 2018

Estimated number of prescriptions in the United States 3,129,750
Top drug rank #184 ( 35)
Average total drug cost $99.75 (USD)
Average out-of-pocket cost $17.05 (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 182  53
2009 178  4
2010 189  11
2011 212  23
2012 188  24
2013 155  33
Year Rank Change
2014 180  25
2015 175  5
2016 147  28
2017 149  2
2018 184  35

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)
Memantine Hydrochloride (this drug) 3,129,751

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
  • Namenda
  • Namenda XR
Generic Drug Synonyms and Salts
  • Memantine Hydrochloride

FDA Approval Information

Established Pharmacologic Class (EPC): N-methyl-D-aspartate Receptor Antagonist
Initial FDA approval date: 10/16/2003
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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