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Product Information

QC ALLERGY (DIPHEN) 25 MG TAB is a generic product labeled by Chain Drug Marketing Association, priced at $0.0374 per EA under NDC 83324008801. Its NADAC has been published 88 times since Dec 18, 2024.

QC ALLERGY (DIPHEN) 25 MG TAB

DIPHENHYDRAMINE HYDROCHLORIDE
$0.0374per EA
OTC

Strength

25 mg/1

NDC

83324008801

Classification

Generic

Dosage Form

TABLET, COATED

Route

ORAL

Effective Date

8/19/2026

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M012

On Market Since

8/12/2024

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for QC ALLERGY (DIPHEN) 25 MG TAB has been published 88 times since Dec 18, 2024, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.

Current price$0.0374 per EA
All-time high$0.0384 (Nov 12, 2025)
All-time low$0.0316 (Feb 18, 2026)
52-week high$0.0384
52-week low$0.0316
Median price$0.0358
Average price$0.0353
Largest weekly change+8.0% (Mar 18, 2026)
Weeks tracked88
Tracking sinceDec 18, 2024

Price History

1W

+4.7%

1M

+4.7%

3M

-0.1%

6M

+18.6%

1Y

+4.5%

3Y

N/A

5Y

N/A

All

+1.7%

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.

Lowest-Cost Alternatives

1 alternative • Same active ingredient

ALLER-G-TIME 25 MG CAPLET
Generic
49483006110•Time-Cap Labs Inc.
$0.0374

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Same classification

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46122075429•AmerisourceBergen
$0.0085
per ML
PV FLU RELIEF THERAPY LIQUID
Generic
68016015408•Chain Drug Marketing Association
$0.0121
per ML
QC EZZ NITE SLEEP 50 MG/30 ML
Generic
83324001506•Chain Drug Marketing Association
$0.0136
per ML
CHILD'S ALLERGY 12.5 MG/5 ML
Generic
36800037934•Topco Associates LLC
$0.0143
per ML
CHILD'S ALLERGY 12.5 MG/5 ML
Generic
36800037926•Topco Associates LLC
$0.0145
per ML
QC CHILD ALLERGY 12.5 MG/5 ML
Generic
63868037004•Chain Drug Marketing Association
$0.0155
per ML
QC CHILD ALLERGY 12.5 MG/5 ML
Generic
63868082354•Chain Drug Marketing Association
$0.0155
per ML
CHILD ALLERGY RLF 12.5 MG/5 ML
Generic
70000069301•Cardinal Health
$0.0160
per ML
FT CHILD ALLERGY 12.5 MG/5 ML
Generic
70677101202•Strategic Sourcing Services LLC
$0.0160
per ML

Frequently asked questions

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

The current National Average Drug Acquisition Cost (NADAC) for QC ALLERGY (DIPHEN) 25 MG TAB, manufactured by Chain Drug Marketing Association, is $0.0374 per EA (NDC 83324008801), effective Aug 19, 2026.

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

Over the history we have for it, the NADAC for QC ALLERGY (DIPHEN) 25 MG TAB has held within roughly two percent of its current level. It has been tracked across 88 weekly CMS publications since Dec 18, 2024.

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

Since Dec 18, 2024, the NADAC for QC ALLERGY (DIPHEN) 25 MG TAB has ranged from a low of $0.0316 (Feb 18, 2026) to a high of $0.0384 (Nov 12, 2025), with a median of $0.0358 per EA.

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

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

Who manufactures QC ALLERGY (DIPHEN) 25 MG TAB?

QC ALLERGY (DIPHEN) 25 MG TAB (NDC 83324008801) is labeled by Chain Drug Marketing Association, and CMS classifies it as a generic product.