Product Information
GNP ALLERGY RELIEF 50 MG/20 ML is a generic product labeled by AmerisourceBergen, priced at $0.0196 per ML under NDC 46122068526. Its NADAC has been published 272 times since Jun 9, 2021.
Strength
50 mg/20mL
Manufacturer
AmerisourceBergenNDC
46122068526
Classification
Generic
Dosage Form
SOLUTION
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
DIPHENHYDRAMINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
1/26/2021
Pharmacological Classes
Price Statistics
The NADAC for GNP ALLERGY RELIEF 50 MG/20 ML has been published 272 times since Jun 9, 2021, and over the history we have for it it has risen 38.6%. 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 | $0.0140 (Aug 18, 2021) |
| 52-week high | $0.0199 |
| 52-week low | $0.0173 |
| Median price | $0.0162 |
| Average price | $0.0164 |
| Largest weekly change | +21.5% (Jun 19, 2024) |
| Weeks tracked | 272 |
| Tracking since | Jun 9, 2021 |
Generic Alternatives
The matcher finds 2 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 57% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of GNP ALLERGY RELIEF 50 MG/20 ML?
The current National Average Drug Acquisition Cost (NADAC) for GNP ALLERGY RELIEF 50 MG/20 ML, manufactured by AmerisourceBergen, is $0.0196 per ML (NDC 46122068526), effective Aug 19, 2026.
How has the price of GNP ALLERGY RELIEF 50 MG/20 ML changed over time?
Over the history we have for it, the NADAC for GNP ALLERGY RELIEF 50 MG/20 ML has risen 38.6%. It has been tracked across 272 weekly CMS publications since Jun 9, 2021.
What are the highest and lowest recorded NADAC prices for GNP ALLERGY RELIEF 50 MG/20 ML?
Since Jun 9, 2021, the NADAC for GNP ALLERGY RELIEF 50 MG/20 ML has ranged from a low of $0.0140 (Aug 18, 2021) to a high of $0.0199 (Jul 15, 2026), with a median of $0.0162 per ML.
Are there cheaper alternatives to GNP ALLERGY RELIEF 50 MG/20 ML?
Yes. 2 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, GNP SLEEP AID 50 MG/30 ML LIQ, is $0.0085 per ML — about 57% below GNP ALLERGY RELIEF 50 MG/20 ML.
Who manufactures GNP ALLERGY RELIEF 50 MG/20 ML?
GNP ALLERGY RELIEF 50 MG/20 ML (NDC 46122068526) is labeled by AmerisourceBergen, and CMS classifies it as a generic product.