Product Information

ALLERGY RELIEF 25 MG CAPSULE is a generic product labeled by AmerisourceBergen, priced at $0.0542 per EA under NDC 46122044062. Its NADAC has been published 394 times since Feb 6, 2019.

ALLERGY RELIEF 25 MG CAPSULE

Diphenhydramine HCl
$0.0542per EA
OTC

Strength

25 mg/1

Manufacturer

AmerisourceBergen

NDC

46122044062

Classification

Generic

Dosage Form

CAPSULE

Route

ORAL

Effective Date

8/19/2026

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M012

On Market Since

3/15/1990

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for ALLERGY RELIEF 25 MG CAPSULE has been published 394 times since Feb 6, 2019, and over the history we have for it it has risen 65.0%. 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$0.0284 (Aug 21, 2019)
52-week high$0.0640
52-week low$0.0483
Median price$0.0364
Average price$0.0397
Largest weekly change+27.5% (Jan 18, 2023)
Weeks tracked394
Tracking sinceFeb 6, 2019

Price History

1W

-2.8%

1M

-2.8%

3M

-10.3%

6M

-12.4%

1Y

+12.1%

3Y

+29.7%

5Y

+78.5%

All

+65.0%

Generic Alternatives

The matcher finds 3 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 43% 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 ALLERGY RELIEF 25 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for ALLERGY RELIEF 25 MG CAPSULE, manufactured by AmerisourceBergen, is $0.0542 per EA (NDC 46122044062), effective Aug 19, 2026.

How has the price of ALLERGY RELIEF 25 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for ALLERGY RELIEF 25 MG CAPSULE has risen 65.0%. It has been tracked across 394 weekly CMS publications since Feb 6, 2019.

What are the highest and lowest recorded NADAC prices for ALLERGY RELIEF 25 MG CAPSULE?

Since Feb 6, 2019, the NADAC for ALLERGY RELIEF 25 MG CAPSULE has ranged from a low of $0.0284 (Aug 21, 2019) to a high of $0.0640 (Feb 11, 2026), with a median of $0.0364 per EA.

Are there cheaper alternatives to ALLERGY RELIEF 25 MG CAPSULE?

Yes. 3 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, DIPHENHYDRAMINE 25 MG CAPSULE, is $0.0311 per EA — about 43% below ALLERGY RELIEF 25 MG CAPSULE.

Who manufactures ALLERGY RELIEF 25 MG CAPSULE?

ALLERGY RELIEF 25 MG CAPSULE (NDC 46122044062) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.