Product Information
PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE is a generic product labeled by Prasco Laboratories, priced at $3.2323 per EA under NDC 66993078030. Its NADAC has been published 49 times since Sep 17, 2025.
FDA first approved this application on Jul 17, 2012. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
3.75; 23 mg/1; mg/1
Manufacturer
Prasco LaboratoriesNDC
66993078030
Classification
Generic
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
PHENTERMINE HYDROCHLORIDE; TOPIRAMATEApproval Type
Authorized Generic (NDA)
FDA Application
NDA022580FDA Approved
7/17/2012
TE Code
AB
On Market Since
6/1/2025
Pharmacological Classes
Price Statistics
The NADAC for PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE has been published 49 times since Sep 17, 2025, and over the history we have for it it has risen 23.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $3.2323 per EA |
|---|---|
| All-time high | $3.5336 (Jan 14, 2026) |
| All-time low | $2.6225 (Sep 17, 2025) |
| 52-week high | $3.5336 |
| 52-week low | $2.6225 |
| Median price | $3.1861 |
| Average price | $3.1141 |
| Largest weekly change | +11.1% (Oct 22, 2025) |
| Weeks tracked | 49 |
| Tracking since | Sep 17, 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
Frequently asked questions
What is the NADAC price of PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE, manufactured by Prasco Laboratories, is $3.2323 per EA (NDC 66993078030), effective Aug 19, 2026.
How has the price of PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE has risen 23.2%. It has been tracked across 49 weekly CMS publications since Sep 17, 2025.
What are the highest and lowest recorded NADAC prices for PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE?
Since Sep 17, 2025, the NADAC for PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE has ranged from a low of $2.6225 (Sep 17, 2025) to a high of $3.5336 (Jan 14, 2026), with a median of $3.1861 per EA.
Are there cheaper alternatives to PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE?
1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE in a comparable dosage form, but none are currently priced below it.
Who manufactures PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE?
PHENTERMINE-TOPIRAMATE ER 3.75-23 MG CAPSULE (NDC 66993078030) is labeled by Prasco Laboratories, and CMS classifies it as a generic product.