Home NDC 51316-799 Allergy Relief
Product NDC 51316-799
11-digit product format 513160799
Labeler code 51316
Product ID 51316-799_b33b665b-d391-47a5-a388-d215a1b44b71
Type HUMAN OTC DRUG
Nonproprietary name Diphenhydramine HCl
Dosage form TABLET, FILM COATED
Route ORAL
Labeler CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED
Application M012
Marketing category OTC MONOGRAPH DRUG
Marketing start 2026-01-27
Substance DIPHENHYDRAMINE HYDROCHLORIDE
Active strength 50 mg/1
Pharmacologic classes Histamine H1 Receptor Antagonists [MoA], Histamine-1 Receptor Antagonist [EPC]
NDC exclude flag No
Listing certified through 2027-12-31
Current FDA listing Yes Reported adverse events (FAERS/openFDA)# Adverse event summaries are temporarily unavailable. Other product information remains available.
Additional Listing Data#
Finished product Yes
Brand name base Allergy Relief
Brand name suffix Extra Strength
Listing expiration 2027-12-31 Active Ingredients# Ingredient, Strength table Ingredient Strength DIPHENHYDRAMINE HYDROCHLORIDE 50 mg/1
Harmonized UNII identifiers# UNII identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination TC2D6JAD40 Internal UNII lookup
Harmonized RxCUI identifiers# RxCUI identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination 1085945 Internal RxNorm lookup
Harmonized SPL set identifiers# SPL set identifiers page 1 of 1 · 1 matching rows.
DailyMed Product Concepts# DailyMed Package Descriptions# Package NDC, Product, Description table Package NDC Product Description Form Quantity Strength SPL version 51316-799-08 Allergy ReliefExtra Strength 12 in 1 BLISTER PACK TABLET, FILM COATED 12 2 51316-799-08 Allergy ReliefExtra Strength 2 in 1 CARTON TABLET, FILM COATED 2 2
openFDA label cross-check# OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.
Matched openFDA labels page 74 of 180 · 3,583 matching rows.
DailyMed RxNorm Mappings# Packages# Package NDC, 11-digit format, Description table Package NDC 11-digit format Description Units Marketing start Sample Exclude flag Status 51316-799-08 51316079908 2 BLISTER PACK in 1 CARTON (51316-799-08) / 12 TABLET, FILM COATED in 1 BLISTER PACK 2 blister pack 2026-01-27 No No Current