Product Information
FENTANYL 37.5 MCG/HR PATCH is a generic product labeled by Mylan Pharmaceuticals Inc., priced at $35.0269 per EA under NDC 00378912598. Its NADAC has been published 572 times since Oct 21, 2015.
FDA first approved this application on Jan 28, 2005. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
37.5 ug/h
Manufacturer
Mylan Pharmaceuticals Inc.NDC
00378912598
Classification
Generic
Dosage Form
PATCH
Route
TRANSDERMAL
Effective Date
9/23/2026
Active Ingredients
FENTANYLApproval Type
Generic (ANDA)
FDA Application
ANDA076258FDA Approved
1/28/2005
TE Code
AB
On Market Since
2/26/2015
Pharmacological Classes
Price Statistics
The NADAC for FENTANYL 37.5 MCG/HR PATCH has been published 572 times since Oct 21, 2015, and over the history we have for it it has declined 20.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $35.0269 per EA |
|---|---|
| All-time high | $48.2766 (Jun 15, 2016) |
| All-time low | $34.2814 (Jul 22, 2026) |
| 52-week high | $42.5734 |
| 52-week low | $34.2814 |
| Median price | $41.5988 |
| Average price | $41.7435 |
| Largest weekly change | +12.4% (May 18, 2016) |
| Weeks tracked | 572 |
| Tracking since | Oct 21, 2015 |
Generic Alternatives
The matcher finds 1 manufacturer 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). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Mylan Pharmaceuticals Inc. manufacturer profile
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Drug market
FENTANYL market comparison
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Therapeutic class
Opioid Agonist class view
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of FENTANYL 37.5 MCG/HR PATCH?
The current National Average Drug Acquisition Cost (NADAC) for FENTANYL 37.5 MCG/HR PATCH, manufactured by Mylan Pharmaceuticals Inc., is $35.0269 per EA (NDC 00378912598), effective Sep 30, 2026.
How has the price of FENTANYL 37.5 MCG/HR PATCH changed over time?
Over the history we have for it, the NADAC for FENTANYL 37.5 MCG/HR PATCH has declined 20.3%. It has been tracked across 572 weekly CMS publications since Oct 21, 2015.
What are the highest and lowest recorded NADAC prices for FENTANYL 37.5 MCG/HR PATCH?
Since Oct 21, 2015, the NADAC for FENTANYL 37.5 MCG/HR PATCH has ranged from a low of $34.2814 (Jul 22, 2026) to a high of $48.2766 (Jun 15, 2016), with a median of $41.5988 per EA.
Are there cheaper alternatives to FENTANYL 37.5 MCG/HR PATCH?
1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as FENTANYL 37.5 MCG/HR PATCH in a comparable dosage form, but none are currently priced below it.
Who manufactures FENTANYL 37.5 MCG/HR PATCH?
FENTANYL 37.5 MCG/HR PATCH (NDC 00378912598) is labeled by Mylan Pharmaceuticals Inc., and CMS classifies it as a generic product.