Product Information
GS ALLERGY (DIPHEN) 25 MG TAB is a generic product labeled by L. Perrigo Company, priced at $0.0374 per EA under NDC 00113047979. Its NADAC has been published 315 times since Aug 12, 2020.
Strength
25 mg/1
Manufacturer
L. Perrigo CompanyNDC
00113047979
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
DIPHENHYDRAMINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
8/20/1991
Pharmacological Classes
Price Statistics
The NADAC for GS ALLERGY (DIPHEN) 25 MG TAB has been published 315 times since Aug 12, 2020, and over the history we have for it it has risen 4.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0374 per EA |
|---|---|
| All-time high | $0.0401 (Jul 12, 2023) |
| All-time low | $0.0299 (May 22, 2024) |
| 52-week high | $0.0384 |
| 52-week low | $0.0316 |
| Median price | $0.0357 |
| Average price | $0.0355 |
| Largest weekly change | -15.9% (May 22, 2024) |
| Weeks tracked | 315 |
| Tracking since | Aug 12, 2020 |
Generic Alternatives
The matcher finds 5 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). 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.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of GS ALLERGY (DIPHEN) 25 MG TAB?
The current National Average Drug Acquisition Cost (NADAC) for GS ALLERGY (DIPHEN) 25 MG TAB, manufactured by L. Perrigo Company, is $0.0374 per EA (NDC 00113047979), effective Aug 19, 2026.
How has the price of GS ALLERGY (DIPHEN) 25 MG TAB changed over time?
Over the history we have for it, the NADAC for GS ALLERGY (DIPHEN) 25 MG TAB has risen 4.2%. It has been tracked across 315 weekly CMS publications since Aug 12, 2020.
What are the highest and lowest recorded NADAC prices for GS ALLERGY (DIPHEN) 25 MG TAB?
Since Aug 12, 2020, the NADAC for GS ALLERGY (DIPHEN) 25 MG TAB has ranged from a low of $0.0299 (May 22, 2024) to a high of $0.0401 (Jul 12, 2023), with a median of $0.0357 per EA.
Are there cheaper alternatives to GS ALLERGY (DIPHEN) 25 MG TAB?
5 manufacturers publish a NADAC-priced product with the same active ingredient and strength as GS ALLERGY (DIPHEN) 25 MG TAB in a comparable dosage form, but none are currently priced below it.
Who manufactures GS ALLERGY (DIPHEN) 25 MG TAB?
GS ALLERGY (DIPHEN) 25 MG TAB (NDC 00113047979) is labeled by L. Perrigo Company, and CMS classifies it as a generic product.