Product Information
MEMANTINE HCL ER 21 MG CAPSULE is a generic product labeled by Aurobindo Pharma Limited, priced at $0.3563 per EA under NDC 59651040630. Its NADAC has been published 223 times since Jun 29, 2022.
FDA first approved this application on Aug 9, 2021. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
21 mg/1
Manufacturer
Aurobindo Pharma LimitedNDC
59651040630
Classification
Generic
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
MEMANTINE HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA214651FDA Approved
8/9/2021
TE Code
AB
On Market Since
8/9/2021
Pharmacological Classes
Price Statistics
The NADAC for MEMANTINE HCL ER 21 MG CAPSULE has been published 223 times since Jun 29, 2022, and over the history we have for it it has declined 64.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3563 per EA |
|---|---|
| All-time high | $1.0807 (Aug 10, 2022) |
| All-time low | $0.3021 (Dec 17, 2025) |
| 52-week high | $0.3820 |
| 52-week low | $0.3021 |
| Median price | $0.4575 |
| Average price | $0.5251 |
| Largest weekly change | +71.8% (Oct 19, 2022) |
| Weeks tracked | 223 |
| Tracking since | Jun 29, 2022 |
Generic Alternatives
No other NADAC-published product shares this drug's active ingredient and strength in a comparable dosage form. Compare the broader picture on the MEMANTINE HYDROCHLORIDE market page.
Lowest-Cost Alternatives
No alternatives available
Related Drugs
Same classification
Continue researching this drug
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Manufacturer
Aurobindo Pharma Limited manufacturer profile
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Drug market
MEMANTINE HYDROCHLORIDE market comparison
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Therapeutic class
N-methyl-D-aspartate Receptor Antagonist class view
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
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Frequently asked questions
What is the NADAC price of MEMANTINE HCL ER 21 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for MEMANTINE HCL ER 21 MG CAPSULE, manufactured by Aurobindo Pharma Limited, is $0.3563 per EA (NDC 59651040630), effective Sep 30, 2026.
How has the price of MEMANTINE HCL ER 21 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for MEMANTINE HCL ER 21 MG CAPSULE has declined 64.2%. It has been tracked across 223 weekly CMS publications since Jun 29, 2022.
What are the highest and lowest recorded NADAC prices for MEMANTINE HCL ER 21 MG CAPSULE?
Since Jun 29, 2022, the NADAC for MEMANTINE HCL ER 21 MG CAPSULE has ranged from a low of $0.3021 (Dec 17, 2025) to a high of $1.0807 (Aug 10, 2022), with a median of $0.4575 per EA.
Are there cheaper alternatives to MEMANTINE HCL ER 21 MG CAPSULE?
No other NADAC-published product currently shares the active ingredient and strength of MEMANTINE HCL ER 21 MG CAPSULE in a comparable dosage form, so no direct lower-cost alternative is listed.
Who manufactures MEMANTINE HCL ER 21 MG CAPSULE?
MEMANTINE HCL ER 21 MG CAPSULE (NDC 59651040630) is labeled by Aurobindo Pharma Limited, and CMS classifies it as a generic product.