Product Information
ALLERGY RELIEF 25 MG CAPSULE is a generic product labeled by AmerisourceBergen, priced at $0.0534 per EA under NDC 46122044062. Its NADAC has been published 400 times since Feb 6, 2019.
Strength
25 mg/1
Manufacturer
AmerisourceBergenNDC
46122044062
Classification
Generic
Dosage Form
CAPSULE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
DIPHENHYDRAMINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
3/15/1990
Pharmacological Classes
Price Statistics
The NADAC for ALLERGY RELIEF 25 MG CAPSULE has been published 400 times since Feb 6, 2019, and over the history we have for it it has risen 62.5%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0534 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 | $0.0528 |
| Median price | $0.0365 |
| Average price | $0.0399 |
| Largest weekly change | +27.5% (Jan 18, 2023) |
| Weeks tracked | 400 |
| Tracking since | Feb 6, 2019 |
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 42% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
AmerisourceBergen manufacturer profile
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Drug market
Diphenhydramine HCl market comparison
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Therapeutic class
Histamine-1 Receptor Antagonist class view
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Trend hub
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
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 $0.0534 per EA (NDC 46122044062), effective Sep 30, 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 62.5%. It has been tracked across 400 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 $0.0365 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 42% 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.