Product Information

DIPHENHYDRAMINE 50 MG/ML VIAL is a generic product labeled by Sagent Pharmaceuticals, priced at $0.9336 per ML under NDC 25021048101. Its NADAC has been published 71 times since Apr 16, 2025.

FDA first approved this application on Mar 20, 2024. Its Orange Book therapeutic-equivalence code is AP.

DIPHENHYDRAMINE 50 MG/ML VIAL

Diphenhydramine Hydrochloride
$0.9336per ML

Strength

50 mg/mL

NDC

25021048101

Classification

Generic

Dosage Form

INJECTION, SOLUTION

Route

INTRAMUSCULAR; INTRAVENOUS

Effective Date

8/19/2026

Approval Type

Generic (ANDA)

FDA Application

ANDA218448

FDA Approved

3/20/2024

TE Code

AP

On Market Since

1/15/2025

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for DIPHENHYDRAMINE 50 MG/ML VIAL has been published 71 times since Apr 16, 2025, and over the history we have for it it has risen 3.0%. The table below summarizes its recorded NADAC range and movement.

Current price$0.9336 per ML
All-time high$0.9459 (Mar 11, 2026)
All-time low$0.8905 (Sep 17, 2025)
52-week high$0.9459
52-week low$0.8905
Median price$0.9336
Average price$0.9267
Largest weekly change+3.0% (Dec 17, 2025)
Weeks tracked71
Tracking sinceApr 16, 2025

Price History

1W

-0.7%

1M

-0.7%

3M

-0.4%

6M

-1.3%

1Y

+3.7%

3Y

N/A

5Y

N/A

All

+3.0%

Generic Alternatives

The matcher finds 2 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). 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 DIPHENHYDRAMINE 50 MG/ML VIAL?

The current National Average Drug Acquisition Cost (NADAC) for DIPHENHYDRAMINE 50 MG/ML VIAL, manufactured by Sagent Pharmaceuticals, is $0.9336 per ML (NDC 25021048101), effective Aug 19, 2026.

How has the price of DIPHENHYDRAMINE 50 MG/ML VIAL changed over time?

Over the history we have for it, the NADAC for DIPHENHYDRAMINE 50 MG/ML VIAL has risen 3.0%. It has been tracked across 71 weekly CMS publications since Apr 16, 2025.

What are the highest and lowest recorded NADAC prices for DIPHENHYDRAMINE 50 MG/ML VIAL?

Since Apr 16, 2025, the NADAC for DIPHENHYDRAMINE 50 MG/ML VIAL has ranged from a low of $0.8905 (Sep 17, 2025) to a high of $0.9459 (Mar 11, 2026), with a median of $0.9336 per ML.

Are there cheaper alternatives to DIPHENHYDRAMINE 50 MG/ML VIAL?

2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as DIPHENHYDRAMINE 50 MG/ML VIAL in a comparable dosage form, but none are currently priced below it.

Who manufactures DIPHENHYDRAMINE 50 MG/ML VIAL?

DIPHENHYDRAMINE 50 MG/ML VIAL (NDC 25021048101) is labeled by Sagent Pharmaceuticals, and CMS classifies it as a generic product.