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
20 active makers
UKComing
soon
soon
CAComing
soon
soon
AUComing
soon
soon
EUComing
soon
soon
US acquisition costNADAC · per unit
Average across 7 priced NDCs. A benchmark of pharmacy acquisition cost — not a retail quote.
$0.052
Latest avg · Jul 22, 2026
-9%
Since Dec 17, 2025
20
Active US suppliers
29%
Top-2 supplier share*
Pill