Product Information

QC ALLERGY (DIPHEN) 25 MG SFGL is a generic product labeled by Chain Drug Marketing Association, priced at $0.0542 per EA under NDC 83324011824. Its NADAC has been published 82 times since Jan 29, 2025.

QC ALLERGY (DIPHEN) 25 MG SFGL

diphenhydramine hydrochloride
$0.0542per EA
OTC

Strength

25 mg/1

NDC

83324011824

Classification

Generic

Dosage Form

CAPSULE, LIQUID FILLED

Route

ORAL

Effective Date

8/19/2026

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M012

On Market Since

10/11/2024

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for QC ALLERGY (DIPHEN) 25 MG SFGL has been published 82 times since Jan 29, 2025, and over the history we have for it it has risen 27.5%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0542 per EA
All-time high$0.0640 (Feb 11, 2026)
All-time low$0.0425 (Jan 29, 2025)
52-week high$0.0640
52-week low$0.0483
Median price$0.0553
Average price$0.0540
Largest weekly change+9.2% (Sep 17, 2025)
Weeks tracked82
Tracking sinceJan 29, 2025

Price History

1W

-2.8%

1M

-2.8%

3M

-10.3%

6M

-12.4%

1Y

+12.1%

3Y

N/A

5Y

N/A

All

+27.5%

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.

Lowest-Cost Alternatives

1 alternative • Same active ingredient

Frequently asked questions

What is the NADAC price of QC ALLERGY (DIPHEN) 25 MG SFGL?

The current National Average Drug Acquisition Cost (NADAC) for QC ALLERGY (DIPHEN) 25 MG SFGL, manufactured by Chain Drug Marketing Association, is $0.0542 per EA (NDC 83324011824), effective Aug 19, 2026.

How has the price of QC ALLERGY (DIPHEN) 25 MG SFGL changed over time?

Over the history we have for it, the NADAC for QC ALLERGY (DIPHEN) 25 MG SFGL has risen 27.5%. It has been tracked across 82 weekly CMS publications since Jan 29, 2025.

What are the highest and lowest recorded NADAC prices for QC ALLERGY (DIPHEN) 25 MG SFGL?

Since Jan 29, 2025, the NADAC for QC ALLERGY (DIPHEN) 25 MG SFGL has ranged from a low of $0.0425 (Jan 29, 2025) to a high of $0.0640 (Feb 11, 2026), with a median of $0.0553 per EA.

Are there cheaper alternatives to QC ALLERGY (DIPHEN) 25 MG SFGL?

1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as QC ALLERGY (DIPHEN) 25 MG SFGL in a comparable dosage form, but none are currently priced below it.

Who manufactures QC ALLERGY (DIPHEN) 25 MG SFGL?

QC ALLERGY (DIPHEN) 25 MG SFGL (NDC 83324011824) is labeled by Chain Drug Marketing Association, and CMS classifies it as a generic product.