Product Information
TAMOXIFEN 20 MG TABLET is a generic product labeled by Mayne Pharma, priced at $0.2848 per EA under NDC 51862064310. Its NADAC has been published 220 times since Dec 15, 2021.
FDA first approved this application on Feb 20, 2003. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
The High Outlier badge above means this manufacturer's average price in the Tamoxifen Citrate market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
20 mg/1
Manufacturer
Mayne PharmaNDC
51862064310
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
2/18/2026
Active Ingredients
TAMOXIFEN CITRATEApproval Type
Generic (ANDA)
FDA Application
ANDA075797FDA Approved
2/20/2003
TE Code
AB
On Market Since
8/27/2021
Pharmacological Classes
Price Statistics
The NADAC for TAMOXIFEN 20 MG TABLET has been published 220 times since Dec 15, 2021, and over the history we have for it it has declined 31.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2848 per EA |
|---|---|
| All-time high | $0.4486 (Mar 16, 2022) |
| All-time low | $0.2079 (Nov 20, 2024) |
| 52-week high | $0.2884 |
| 52-week low | $0.2792 |
| Median price | $0.3296 |
| Average price | $0.3315 |
| Largest weekly change | +45.1% (Jun 19, 2024) |
| Weeks tracked | 220 |
| Tracking since | Dec 15, 2021 |
1W
N/A
1M
N/A
3M
N/A
6M
0.0%
1Y
+2.0%
3Y
+1.4%
5Y
N/A
All
-31.8%
Last surveyed Feb 25, 2026 — this NDC no longer appears in the current weekly NADAC file.
Generic Alternatives
The matcher finds 5 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 1% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of TAMOXIFEN 20 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for TAMOXIFEN 20 MG TABLET, manufactured by Mayne Pharma, is $0.2848 per EA (NDC 51862064310), effective Feb 25, 2026.
How has the price of TAMOXIFEN 20 MG TABLET changed over time?
Over the history we have for it, the NADAC for TAMOXIFEN 20 MG TABLET has declined 31.8%. It has been tracked across 220 weekly CMS publications since Dec 15, 2021.
What are the highest and lowest recorded NADAC prices for TAMOXIFEN 20 MG TABLET?
Since Dec 15, 2021, the NADAC for TAMOXIFEN 20 MG TABLET has ranged from a low of $0.2079 (Nov 20, 2024) to a high of $0.4486 (Mar 16, 2022), with a median of $0.3296 per EA.
Are there cheaper alternatives to TAMOXIFEN 20 MG TABLET?
Yes. 5 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, TAMOXIFEN 20 MG TABLET, is $0.2833 per EA — about 1% below TAMOXIFEN 20 MG TABLET.
Who manufactures TAMOXIFEN 20 MG TABLET?
TAMOXIFEN 20 MG TABLET (NDC 51862064310) is labeled by Mayne Pharma, and CMS classifies it as a generic product.