Product Information

PROMETHAZINE 12.5 MG SUPPOS is a generic product labeled by Camber Pharmaceuticals Inc., priced at $1.8586 per EA under NDC 31722004031. Its NADAC has been published 173 times since May 3, 2023.

FDA first approved this application on Nov 2, 2022. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

PROMETHAZINE 12.5 MG SUPPOS

Promethazine Hydrochloride
$1.8586per EA

Strength

12.5 mg/1

NDC

31722004031

Classification

Generic

Dosage Form

SUPPOSITORY

Route

RECTAL

Effective Date

8/19/2026

Active Ingredients

PROMETHAZINE HYDROCHLORIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA216446

FDA Approved

11/2/2022

TE Code

AB

On Market Since

11/2/2022

Pharmacological Classes

Phenothiazine
Phenothiazines

Price Statistics

The NADAC for PROMETHAZINE 12.5 MG SUPPOS has been published 173 times since May 3, 2023, and over the history we have for it it has declined 51.7%. The table below summarizes its recorded NADAC range and movement.

Current price$1.8586 per EA
All-time high$4.0268 (Sep 13, 2023)
All-time low$1.6445 (Nov 20, 2024)
52-week high$2.2706
52-week low$1.7078
Median price$2.3550
Average price$2.5519
Largest weekly change-52.5% (Nov 20, 2024)
Weeks tracked173
Tracking sinceMay 3, 2023

Price History

1W

-11.5%

1M

-11.5%

3M

-1.1%

6M

-6.7%

1Y

-18.1%

3Y

-48.3%

5Y

N/A

All

-51.7%

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.

Frequently asked questions

What is the NADAC price of PROMETHAZINE 12.5 MG SUPPOS?

The current National Average Drug Acquisition Cost (NADAC) for PROMETHAZINE 12.5 MG SUPPOS, manufactured by Camber Pharmaceuticals Inc., is $1.8586 per EA (NDC 31722004031), effective Aug 19, 2026.

How has the price of PROMETHAZINE 12.5 MG SUPPOS changed over time?

Over the history we have for it, the NADAC for PROMETHAZINE 12.5 MG SUPPOS has declined 51.7%. It has been tracked across 173 weekly CMS publications since May 3, 2023.

What are the highest and lowest recorded NADAC prices for PROMETHAZINE 12.5 MG SUPPOS?

Since May 3, 2023, the NADAC for PROMETHAZINE 12.5 MG SUPPOS has ranged from a low of $1.6445 (Nov 20, 2024) to a high of $4.0268 (Sep 13, 2023), with a median of $2.3550 per EA.

Are there cheaper alternatives to PROMETHAZINE 12.5 MG SUPPOS?

1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as PROMETHAZINE 12.5 MG SUPPOS in a comparable dosage form, but none are currently priced below it.

Who manufactures PROMETHAZINE 12.5 MG SUPPOS?

PROMETHAZINE 12.5 MG SUPPOS (NDC 31722004031) is labeled by Camber Pharmaceuticals Inc., and CMS classifies it as a generic product.