Memantine Hydrochloride

Drug Usage Statistics, United States, 2007 - 2017

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Number of Prescriptions Over Time (2007 - 2017)

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.

Patient Out-Of-Pocket Cost Over Time (2007 - 2017)

"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 (2017)
Memantine Hydrochloride (this drug)	4,327,218

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.

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)

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Prescription data source: Medical Expenditure Panel Survey (MEPS) 2007-2017. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 20.1. Read more about the ClinCalc DrugStats database.