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OTC · Capsule · Oral

Diphenhydramine Hydrochloride

Brands: Allergy Relief · Allergy · Allergy Antihistamine · Dormin +2 · Diphenhydramine Hydrochloride

20 ACTIVE SUPPLIERS — US
openFDA · updated weekly
US35 NDCs
20 active makers
UKComing
soon
CAComing
soon
AUComing
soon
EUComing
soon
ATCD04AA32
RxCUI (US)3498
US makers26 labelers
Packages84
DEA / ScheduleNone

US acquisition costNADAC · per unit

Average across 7 priced NDCs. A benchmark of pharmacy acquisition cost — not a retail quote.

$0.017$0.033$0.050$0.067Dec 2025Apr 2026Jul 2026
$0.052
Latest avg · Jul 22, 2026
-9%
Since Dec 17, 2025
20
Active US suppliers
29%
Top-2 supplier share*

Medicaid dispensing volumeSDUD · per quarter

Prescriptions dispensed under Medicaid (fee-for-service + managed care), summed nationally. The closest free proxy to sales volume — Medicaid only, not all-payer.

47K93K140K187K2025 Q12025 Q22025 Q32025 Q42026 Q1
52K
Rx · 2026 Q1
1.9M
Units dispensed
-66%
Rx vs. year ago
5
Quarters · since 2025 Q1

Who makes it20 active · 6 exited

US labelers as registered with FDA. Repackagers relabel another company's product; share* is of listed packages, not sales.

LabelerTypePackagesStatus
CVS Pharmacyunknown10SUPPLYING
Bryant Ranch Prepackrepackager10SUPPLYING
WALGREEN COMPANYunknown8SUPPLYING
Richmond Pharmaceuticals, Inc.unknown7SUPPLYING
Advance Pharmaceutical Inc.unknown4SUPPLYING
Chain Drug Marketing Association Inc.unknown4SUPPLYING
Randob Labs, LTDunknown3SUPPLYING
Topco Associates LLCunknown3SUPPLYING
Preferred Pharmaceuticals Inc.unknown3SUPPLYING
Harris Teeterunknown3SUPPLYING
Epic Pharma, LLCunknown2SUPPLYING
Discount Drug Martunknown2SUPPLYING
KROGER COMPANYunknown2SUPPLYING
HyVee Incunknown2SUPPLYING
United Natural Foods, Inc. dba UNFIunknown1SUPPLYING

+ 11 more labelers

Regulatory & supply eventsFDA · US

Shortages, recalls, and registration changes attached to this drug concept.

  • Mar 15, 2021
    RECALLRecall (Class II): Banophen Diphenhydramine HCl 25 mg Antihistamine 100 capsules NDC 0904-5306-60 Distributed by: Major Pharmaceuticals 3…

    CGMP Deviations: Intermittent exposure to temperature excursion during storage. — Recalling firm: Cardinal Health Inc. — FL, GA, SC