Temporarily relieves these symptoms due to hay fever or other respiratory allergies runny nose sneezing itching of the nose or throat itchy, watery eyes Temporarily relieves these symptoms due to the common cold runny nose sneezing
Do not use – Diphen Allergy Caplet to make a child sleepy with any other product containing diphenhydramine, even one that is used on skin. Ask a doctor before use if you have – Diphen Allergy Caplet a breathing problem such as emphysema or chronic bronchitis trouble urinating due to an enlarged prostate gland glaucoma Ask a doctor or pharmacist before use if you are – Diphen Allergy Caplet taking sedatives or tra...
Diphenhydramine Hydrochloride 25 mg
Antihistamine
Temporarily relieves these symptoms due to hay fever or other respiratory allergies
runny nose
sneezing
itching of the nose or throat
itchy, watery eyes
Temporarily relieves these symptoms due to the common cold
runny nose
sneezing
Do not use – Diphen Allergy Caplet
to make a child sleepy
with any other product containing diphenhydramine, even one that is used on skin.
Ask a doctor before use if you have – Diphen Allergy Caplet
a breathing problem such as emphysema or chronic bronchitis
trouble urinating due to an enlarged prostate gland
glaucoma
Ask a doctor or pharmacist before use if you are – Diphen Allergy Caplet
taking sedatives or tranquilizers
When using this product – Diphen Allergy Caplet
marked drowsiness may occur
avoid alcoholic drinks
alcohol, sedatives and tranquilizers may increase the drowsiness effect
use caution when driving a motor vehicle or operating machinery
excitability may occur, especially in children
If pregnant or breast-feeding, – Diphen Allergy Caplet
ask a health care professional before use.
Keep out of reach of children. – Diphen Allergy Caplet
In case of overdose, contact a physician or poison control center right away (1-800-222-1222).
Do not use – Diphen Allergy Caplet
to make a child sleepy
with any other product containing diphenhydramine, even one that is used on skin.
Ask a doctor before use if you have – Diphen Allergy Caplet
a breathing problem such as emphysema or chronic bronchitis
trouble urinating due to an enlarged prostate gland
glaucoma
Ask a doctor or pharmacist before use if you are – Diphen Allergy Caplet
taking sedatives or tranquilizers
When using this product – Diphen Allergy Caplet
marked drowsiness may occur
avoid alcoholic drinks
alcohol, sedatives and tranquilizers may increase the drowsiness effect
use caution when driving a motor vehicle or operating machinery
excitability may occur, especially in children
If pregnant or breast-feeding, – Diphen Allergy Caplet
ask a health care professional before use.
Keep out of reach of children. – Diphen Allergy Caplet
In case of overdose, contact a physician or poison control center right away (1-800-222-1222).
protect from light
store at room temperature 68º-77ºF (20º-25ºC)
tamper-evident sealed packets
do not use any opened or torn packets
croscarmellose sodium, D&C red #27 aluminum lake, hypromellose, lactose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, silicon dioxide, titanium dioxide
KEEP OUT OF THE REACH OF CHILDREN
Do not use – Diphen Allergy Caplet
to make a child sleepy
with any other product containing diphenhydramine, even one that is used on skin.
Ask a doctor before use if you have – Diphen Allergy Caplet
a breathing problem such as emphysema or chronic bronchitis
trouble urinating due to an enlarged prostate gland
glaucoma
Ask a doctor or pharmacist before use if you are – Diphen Allergy Caplet
taking sedatives or tranquilizers
When using this product – Diphen Allergy Caplet
marked drowsiness may occur
avoid alcoholic drinks
alcohol, sedatives and tranquilizers may increase the drowsiness effect
use caution when driving a motor vehicle or operating machinery
excitability may occur, especially in children
If pregnant or breast-feeding, – Diphen Allergy Caplet
ask a health care professional before use.
Temporarily relieves these symptoms due to hay fever or other respiratory allergies
runny nose
sneezing
itching of the nose or throat
itchy, watery eyes
Temporarily relieves these symptoms due to the common cold
runny nose
sneezing
Temporarily relieves these symptoms due to hay fever or other respiratory allergies
runny nose
sneezing
itching of the nose or throat
itchy, watery eyes
Temporarily relieves these symptoms due to the common cold
runny nose
sneezing
| Class | Version | Type | Effective |
|---|---|---|---|
| DIPHENHYDRAMINE Pharmacologic Class Indexing | 3 | Indexing - Pharmacologic Class | 20180813 |
| 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 |
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 51662-1674-1 | diphenhydramine hydrochloride | 1 in 1 PACKET | TABLET, FILM COATED | 1 | 3 |
Every source-derived product name is available through these pages.
| Product NDC | Package NDC |
|---|---|
| 51662-1674 | 51662-1674-1 |
| 47682-167 |
Every source-derived ingredient row is available through these pages.
| Version | Effective date | Source | Hydrated |
|---|---|---|---|
| 1 | 2025-11-21 | monthly-update | 2026-06-03 17:40:35 |
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.
| Brand | Generic | Manufacturer | SPL set ID | Effective date | Available safety fields | Join |
|---|---|---|---|---|---|---|
| diphenhydramine hydrochloride | DIPHENHYDRAMINE HYDROCHLORIDE | HF Acquisition Co LLC, DBA HealthFirst | 44217a8c-7656-a0f6-e063-6294a90af2ad | 2026-03-31 | Warnings | 51662-1674-1 51662-1674 51662167401 4e5741df-24d9-1cab-e063-6294a90a2534 44217a8c-7656-a0f6-e063-6294a90af2ad |
| Medique Diphen | DIPHENHYDRAMINE HYDROCHLORIDE | Unifirst First Aid Corporation | b61ee2e0-2543-447d-9fc4-23363d46ce04 | 2025-09-08 | Warnings | 47682-167 |
Adverse event summaries are temporarily unavailable. Other product information remains available.