Product Information
FENTANYL 37.5 MCG/HR PATCH is a generic product labeled by Ingenus Pharmaceuticals LLC, priced at $35.0269 per EA under NDC 50742055105. Its NADAC has been published 78 times since Apr 9, 2025.
FDA first approved this application on Oct 20, 2008. 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
Ingenus Pharmaceuticals LLCNDC
50742055105
Classification
Generic
Dosage Form
PATCH, EXTENDED RELEASE
Route
TRANSDERMAL
Effective Date
9/23/2026
Active Ingredients
FENTANYLApproval Type
Generic (ANDA)
FDA Application
ANDA077449FDA Approved
10/20/2008
TE Code
AB
On Market Since
2/5/2025
Pharmacological Classes
Price Statistics
The NADAC for FENTANYL 37.5 MCG/HR PATCH has been published 78 times since Apr 9, 2025, and over the history we have for it it has declined 12.5%. The table below summarizes its recorded NADAC range and movement.
| Current price | $35.0269 per EA |
|---|---|
| All-time high | $42.5734 (Dec 10, 2025) |
| All-time low | $34.2814 (Jul 22, 2026) |
| 52-week high | $42.5734 |
| 52-week low | $34.2814 |
| Median price | $40.6923 |
| Average price | $39.1450 |
| Largest weekly change | -5.8% (Mar 18, 2026) |
| Weeks tracked | 78 |
| Tracking since | Apr 9, 2025 |
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
Ingenus Pharmaceuticals LLC 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 Ingenus Pharmaceuticals LLC, is $35.0269 per EA (NDC 50742055105), 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 12.5%. It has been tracked across 78 weekly CMS publications since Apr 9, 2025.
What are the highest and lowest recorded NADAC prices for FENTANYL 37.5 MCG/HR PATCH?
Since Apr 9, 2025, the NADAC for FENTANYL 37.5 MCG/HR PATCH has ranged from a low of $34.2814 (Jul 22, 2026) to a high of $42.5734 (Dec 10, 2025), with a median of $40.6923 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 50742055105) is labeled by Ingenus Pharmaceuticals LLC, and CMS classifies it as a generic product.