Product Information

GNP CHILD ALLERGY 12.5 MG/5 ML is a generic product labeled by AmerisourceBergen, priced at $0.0196 per ML under NDC 46122079329. Its NADAC has been published 68 times since May 7, 2025.

GNP CHILD ALLERGY 12.5 MG/5 ML

Diphenhydramine HCl
$0.0196per ML
OTC

Strength

12.5 mg/5mL

Manufacturer

AmerisourceBergen

NDC

46122079329

Classification

Generic

Dosage Form

LIQUID

Route

ORAL

Effective Date

8/19/2026

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M012

On Market Since

6/24/2024

Pharmacological Classes

Histamine H1 Receptor Antagonists
Histamine-1 Receptor Antagonist

Price Statistics

The NADAC for GNP CHILD ALLERGY 12.5 MG/5 ML has been published 68 times since May 7, 2025, and over the history we have for it it has risen 13.0%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0196 per ML
All-time high$0.0199 (Jul 15, 2026)
All-time low$0.0172 (May 21, 2025)
52-week high$0.0199
52-week low$0.0173
Median price$0.0181
Average price$0.0184
Largest weekly change+4.6% (Jan 21, 2026)
Weeks tracked68
Tracking sinceMay 7, 2025

Price History

1W

-1.1%

1M

-1.1%

3M

-1.3%

6M

+5.0%

1Y

+8.3%

3Y

N/A

5Y

N/A

All

+13.0%

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 21% 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 GNP CHILD ALLERGY 12.5 MG/5 ML?

The current National Average Drug Acquisition Cost (NADAC) for GNP CHILD ALLERGY 12.5 MG/5 ML, manufactured by AmerisourceBergen, is $0.0196 per ML (NDC 46122079329), effective Aug 19, 2026.

How has the price of GNP CHILD ALLERGY 12.5 MG/5 ML changed over time?

Over the history we have for it, the NADAC for GNP CHILD ALLERGY 12.5 MG/5 ML has risen 13.0%. It has been tracked across 68 weekly CMS publications since May 7, 2025.

What are the highest and lowest recorded NADAC prices for GNP CHILD ALLERGY 12.5 MG/5 ML?

Since May 7, 2025, the NADAC for GNP CHILD ALLERGY 12.5 MG/5 ML has ranged from a low of $0.0172 (May 21, 2025) to a high of $0.0199 (Jul 15, 2026), with a median of $0.0181 per ML.

Are there cheaper alternatives to GNP CHILD ALLERGY 12.5 MG/5 ML?

Yes. 3 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, QC CHILD ALLERGY 12.5 MG/5 ML, is $0.0155 per ML — about 21% below GNP CHILD ALLERGY 12.5 MG/5 ML.

Who manufactures GNP CHILD ALLERGY 12.5 MG/5 ML?

GNP CHILD ALLERGY 12.5 MG/5 ML (NDC 46122079329) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.