Product Information

DIPHENHYDRAMINE 50 MG/ML VIAL is a generic product labeled by Hikma Pharmaceuticals USA Inc., priced at $0.9336 per ML under NDC 00641037625. Its NADAC has been published 648 times since Nov 28, 2013.

FDA first approved this application before 1982. Its Orange Book therapeutic-equivalence code is AP.

DIPHENHYDRAMINE 50 MG/ML VIAL

diphenhydramine hydrochloride
$0.9336per ML

Strength

50 mg/mL

NDC

00641037625

Classification

Generic

Dosage Form

INJECTION

Route

INTRAMUSCULAR; INTRAVENOUS

Effective Date

8/19/2026

Approval Type

Generic (ANDA)

FDA Application

ANDA080817

FDA Approved

Before 1982

TE Code

AP

On Market Since

11/27/1972

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for DIPHENHYDRAMINE 50 MG/ML VIAL has been published 648 times since Nov 28, 2013, and over the history we have for it it has risen 19.6%. The table below summarizes its recorded NADAC range and movement.

Current price$0.9336 per ML
All-time high$1.4470 (Apr 14, 2021)
All-time low$0.6403 (Jul 18, 2018)
52-week high$0.9459
52-week low$0.8905
Median price$0.8627
Average price$0.8696
Largest weekly change+51.1% (May 20, 2020)
Weeks tracked648
Tracking sinceNov 28, 2013

Price History

1W

-0.7%

1M

-0.7%

3M

-0.4%

6M

-1.3%

1Y

+1.3%

3Y

+1.1%

5Y

-5.5%

All

+19.6%

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). Switching to the cheapest would cut per-unit acquisition cost by roughly 15% at current NADAC. 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 Hikma Pharmaceuticals USA Inc., is $0.9336 per ML (NDC 00641037625), 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 19.6%. It has been tracked across 648 weekly CMS publications since Nov 28, 2013.

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

Since Nov 28, 2013, the NADAC for DIPHENHYDRAMINE 50 MG/ML VIAL has ranged from a low of $0.6403 (Jul 18, 2018) to a high of $1.4470 (Apr 14, 2021), with a median of $0.8627 per ML.

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

Yes. 2 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, DIPHENHYDRAMINE 500 MG/10 ML VL, is $0.7900 per ML — about 15% below DIPHENHYDRAMINE 50 MG/ML VIAL.

Who manufactures DIPHENHYDRAMINE 50 MG/ML VIAL?

DIPHENHYDRAMINE 50 MG/ML VIAL (NDC 00641037625) is labeled by Hikma Pharmaceuticals USA Inc., and CMS classifies it as a generic product.