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Rx only · Solution · Oral

Diphenhydramine Hydrochloride

Brands: Adult Allergy Relief Dye Free · Benadryl Allergy · Childrens Benadryl Allergy · Childrens Benadryl Dye-Free Allergy +15 · Diphenhydramine Hydrochloride

22 ACTIVE SUPPLIERS — US
openFDA · updated weekly
US35 NDCs
22 active makers
UKComing
soon
CAComing
soon
AUComing
soon
EUComing
soon
ATC—
RxCUI (US)—
US makers22 labelers
Packages51
DEA / ScheduleNone

US acquisition costNADAC · per unit

Average across 3 priced NDCs. A benchmark of pharmacy acquisition cost — not a retail quote.

$0.005$0.011$0.016$0.022Dec 2025Apr 2026Jul 2026
$0.019
Latest avg · Jul 22, 2026
+11%
Since Dec 17, 2025
22
Active US suppliers
24%
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.

2.3K4.7K7.0K9.4K2025 Q12025 Q22025 Q32025 Q42026 Q1
8.2K
Rx · 2026 Q1
863K
Units dispensed
+12%
Rx vs. year ago
5
Quarters · since 2025 Q1

Who makes it22 active · 0 exited

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

LabelerTypePackagesStatus
Kenvue Brands LLCunknown7SUPPLYING
PAI Holdings, LLC dba PAI Pharmaunknown5SUPPLYING
WALGREEN COMPANYunknown4SUPPLYING
Natco Pharma Limitedunknown4SUPPLYING
American Health Packagingunknown3SUPPLYING
Camber Pharmaceuticals, Inc.unknown3SUPPLYING
Meijer Distribution, Incunknown3SUPPLYING
Oncor Pharmaceuticalsunknown2SUPPLYING
Wal-Mart Stores, Inc.unknown2SUPPLYING
Major Pharmaceuticalsunknown2SUPPLYING
KROGER COMPANYunknown2SUPPLYING
Strategic Sourcing Services LLCunknown2SUPPLYING
DOLGENCORP, LLCunknown2SUPPLYING
Topco Associates LLCunknown2SUPPLYING
Medical Purchasing Solutions, LLCunknown1SUPPLYING

+ 7 more labelers

Regulatory & supply eventsFDA · US

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

  • Apr 13, 2022
    RECALLRecall (Class II): Diphenhydramine HCl oral solution, USP, 25 mg/10 mL UD, packaged in a) 10 mL unit dose cups (NDC 0121-0978-10), b) 100-…

    cGMP deviations: Temperature abuse — Recalling firm: Mckesson Medical-Surgical Inc. Corporate Office — USA nationwide.