Antihistamine

Product NDC: 77333-231
11-digit product format: 773330231
Labeler code: 77333
Product ID: 77333-231_50fab60d-a209-cf04-e063-6294a90ab007
Type: HUMAN OTC DRUG
Nonproprietary name: Diphenhydramine HCl
Dosage form: CAPSULE
Route: ORAL
Labeler: Gendose Pharmaceuticals, LLC
Application: M012
Marketing category: OTC MONOGRAPH DRUG
Marketing start: 2026-05-15
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: Antihistamine
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
1020477	Internal RxNorm lookup

Harmonized SPL set identifiers#

SPL set identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
d3b2f300-d919-44cd-ab71-b74b5bdfd977	Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
0e2e0f88-b076-afe1-4bdd-32bca4375bec	Product name	3	20250127
3e48c9c4-918d-5d23-2f0b-d2398b06be54	Product name	1	20140508
865c72dd-0d94-daac-f728-ddd4ded2a79e	Product name	1	20140508

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	Strength	SPL version
77333-231-10	Antihistamine	100 in 1 BOX	CAPSULE	100		1
77333-231-25	Antihistamine	1 in 1 BLISTER PACK	CAPSULE	1		1

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 165 of 178 · 3,551 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
Dimetapp Cough and Allergy	DIPHENHYDRAMINE HYDROCHLORIDE	Foundation Consumer Healthcare	15b0f5ff-202a-d19f-e063-6394a90af2b8	2024-04-15	Warnings	Exact identifier application number: M012
Nighttime Severe Cold and Cough	ACETAMINOPHEN, DIPHENHYDRAMINE HCL, PHENYLEPHRINE HCL	P & L Development, LLC	8d27b94d-23a1-4e6c-a064-79e2580f7e2e	2024-04-15	Warnings	Exact identifier application number: M012
Severe Cold and Cough Relief Daytime	ACETAMINOHPEN, DEXTROMETHORPHAN HBR, PHENYLEPHRINE HCL	P & L Development, LLC	2af496a1-6fdd-4acf-9944-8b7cdf302275	2024-04-15	Warnings	Exact identifier application number: M012
Childrens Dye Free Allergy	DIPHENHYDRAMINE HYDROCHLORIDE	P & L Development, LLC	1c4d09ed-4e0f-430d-b17f-6a23f996a55d	2024-04-15	Warnings	Exact identifier application number: M012
Theraflu ExpressMax Daytime Nighttime Value Pack	ACETAMINOPHEN, DEXTROMETHORPHAN HBR, PHENYLEPHRINE HCL AND ACETAMINOPHEN, DIPHENHYDRAMINE HCL, PHENYLEPHRINE HCL	Haleon US Holdings LLC	9736ad4c-8c2e-421f-b023-f91b72d2828b	2024-04-10	Warnings	Exact identifier application number: M012
Theraflu Multi-Symptom Severe Cold and Theraflu Nighttime Severe Cold and Cough	ACETAMINOPHEN, DEXTROMETHORPHAN HBR, PHENYLEPHRINE HCL, DIPHENHYDRAMINE HCL	Haleon US Holdings LLC	b06b64c5-dbb4-4ef5-af18-3d7d4979c02f	2024-04-10	Warnings	Exact identifier application number: M012
Daytime Nighttime Cold and Flu	ACETAMINOPHEN DEXTROMETHORPHAN HBR PHENYLEPHRINE HCI DOXYLAMINESUCINATE	Harris Teeter, LLC	ec603195-eb36-4b5c-bc9b-c2074205b2b2	2024-04-09	Warnings	Exact identifier application number: M012
Daytime Cold and Flu Non drowsy	ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, PHENYLEPHRINE HYDROCHLORIDE	Harris Teeter, LLC	9b0648ac-0ce3-4eaa-8977-26ae864f034d	2024-04-09	Warnings	Exact identifier application number: M012
Theraflu Severe Cold Relief Combo Pack	ACETAMINOPHEN, DEXTROMETHORPHAN HBR, DIPHENHYDRAMINE HCL	Haleon US Holdings LLC	f147d82e-4429-4c7b-bd2b-e21a09f21c92	2024-04-09	Warnings	Exact identifier application number: M012
FLONASE Headache and Allergy Relief	ACETAMINOPHEN, CHLORPHENIRAMINE MALEATE, PHENYLEPHRINE HCL	Haleon US Holdings LLC	282c103c-3888-4a35-a5b1-d492ed6892c1	2024-04-08	Warnings	Exact identifier application number: M012
ROBITUSSIN COUGH PLUS CHEST CONGESTION DM	DEXTROMETHORPHAN HYDROBROMIDE AND GUAIFENESIN	Haleon US Holdings LLC	4908b326-e1da-44ca-8087-7e41a16c27b0	2024-04-08	Warnings	Exact identifier application number: M012
Robitussin Direct Sore Throat Pain	ACETAMINOPHEN	Haleon US Holdings LLC	1b512078-24c3-4b80-8f2c-d6824d367f25	2024-04-08	Warnings	Exact identifier application number: M012
Mucus Relief Cough Childrens	DEXTROMETHORPHAN HBR, GUAIFENSIN	H E B	9ba5ca1b-2e3c-439e-8887-c26f144b88ef	2024-04-08	Warnings	Exact identifier application number: M012
Cold and Flu Relief Daytime	ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, PHENYLEPHRINE HYDROCHLORIDE	H E B	12ace982-bd47-49b0-ba1b-e0a29d42f1d6	2024-04-08	Warnings	Exact identifier application number: M012
Allergy Childrens	DIPHENHYDRAMINE HYDROCHLORIDE	H E B	ab28cbc4-7a6f-46e9-8616-be78e8cb24fe	2024-04-08	Warnings	Exact identifier application number: M012
Cold and Flu Relief Daytime	ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, PHENYLEPHRINE HYDROCHLORIDE	H E B	bd19b1f2-d9d3-4dab-8181-605f769ab62f	2024-04-08	Warnings	Exact identifier application number: M012
Daytime Severe Cold and Cough	ACETAMINOPHEN, DEXTROMETHORPHAN HBR, PHENYLEPHRINE HCL	H E B	9f533092-060c-4379-9a77-ecfea8aa46e1	2024-04-08	Warnings	Exact identifier application number: M012
Robitussin Severe Multi-Symptom Cough Cold Flu	ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, PHENYLEPHRINE HYDROCHLORIDE	Haleon US Holdings LLC	66360295-f364-479a-8b49-c12b21918279	2024-04-06	Warnings	Exact identifier application number: M012
Robitussin Peak Cold Multi-Symptom Cold	DEXTROMETHORPHAN HYDROBROMIDE, GUAIFENESIN, AND PHENYLEPHRINE HYDROCHLORIDE	Haleon US Holdings LLC	8c0a2424-e8ac-d91c-b46d-a5ee29f91936	2024-04-06	Warnings	Exact identifier application number: M012
Robitussin Maximum Strength Severe Multi-Symptom 7 in 1 Relief Nighttime	ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, AND DOXYLAMINE SUCCINATE	Haleon US Holdings LLC	e7cf7c5d-5c9a-4201-9e30-1cd616071855	2024-04-06	Warnings	Exact identifier application number: M012

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
TC2D6JAD40	DIPHENHYDRAMINE HYDROCHLORIDE	147-24-0	DIPHENHYDRAMINE HYDROCHLORIDE

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
1020477	diphenhydrAMINE HCl 50 MG Oral Capsule	PSN	d3b2f300-d919-44cd-ab71-b74b5bdfd977	1
1020477	diphenhydramine hydrochloride 50 MG Oral Capsule	SCD	d3b2f300-d919-44cd-ab71-b74b5bdfd977	1
1020477	diphenhydramine HCl 50 MG Oral Capsule	SY	d3b2f300-d919-44cd-ab71-b74b5bdfd977	1

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Sample	Exclude flag	Status
77333-231-10	77333023110	100 BLISTER PACK in 1 BOX (77333-231-10) / 1 CAPSULE in 1 BLISTER PACK (77333-231-25)	100 blister pack	2026-05-15	No	No	Current
77333-231-25	77333023125	1 in 1 BLISTER PACK					Historical

Title, Manufacturer, Effective date table
Title	Manufacturer	Effective date	Type	Version
Antihistamine - Gendose Pharmaceuticals, LLC	Gendose Pharmaceuticals, LLC	2026-05-15	HUMAN OTC DRUG LABEL	1