Product Information

QC ALLERGY (DIPHEN) 25 MG CAP is a generic product labeled by Chain Drug Marketing Association, priced at $0.0572 per EA under NDC 83324008701. Its NADAC has been published 74 times since Jan 29, 2025.

QC ALLERGY (DIPHEN) 25 MG CAP

DIPHENHYDRAMINE HYDROCHLORIDE
$0.0572per EA
OTC

Strength

25 mg/1

NDC

83324008701

Classification

Generic

Dosage Form

CAPSULE

Route

ORAL

Last Updated

6/17/2026

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M012

On Market Since

8/16/2024

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for QC ALLERGY (DIPHEN) 25 MG CAP has been published 74 times since Jan 29, 2025, and over the history we have for it it has risen 34.7%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0572 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$0.0462
Median price$0.0528
Average price$0.0537
Largest weekly change+9.2% (Sep 17, 2025)
Weeks tracked74
Tracking sinceJan 29, 2025

Price History

1W

0.0%

1M

-5.2%

3M

-6.9%

6M

-9.4%

1Y

+23.9%

3Y

N/A

5Y

N/A

All

+34.7%

Generic Alternatives

The matcher finds 2 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 2 manufacturers (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 36% 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 QC ALLERGY (DIPHEN) 25 MG CAP?

The current National Average Drug Acquisition Cost (NADAC) for QC ALLERGY (DIPHEN) 25 MG CAP, manufactured by Chain Drug Marketing Association, is $0.0572 per EA (NDC 83324008701), effective Jun 24, 2026.

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

Over the history we have for it, the NADAC for QC ALLERGY (DIPHEN) 25 MG CAP has risen 34.7%. It has been tracked across 74 weekly CMS publications since Jan 29, 2025.

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

Since Jan 29, 2025, the NADAC for QC ALLERGY (DIPHEN) 25 MG CAP has ranged from a low of $0.0425 (Jan 29, 2025) to a high of $0.0640 (Feb 11, 2026), with a median of $0.0528 per EA.

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

Yes. 2 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, QC ALLERGY (DIPHEN) 25 MG TAB, is $0.0366 per EA — about 36% below QC ALLERGY (DIPHEN) 25 MG CAP.

Who manufactures QC ALLERGY (DIPHEN) 25 MG CAP?

QC ALLERGY (DIPHEN) 25 MG CAP (NDC 83324008701) is labeled by Chain Drug Marketing Association, and CMS classifies it as a generic product.