Diphenhydramine HCl

openFDA label record#

This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.

Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name
Diphenhydramine HCl
Generic name
DIPHENHYDRAMINE HYDROCHLORIDE
Manufacturer
PAI Holdings, LLC dba PAI Pharma
Product type
HUMAN OTC DRUG
SPL set ID
3c3e0dc8-cddd-4f46-9b68-19bac00c07cc
SPL ID
d56f4fe1-e90c-4e35-a488-12c93938a3dd
Version
5
Effective date
2024-01-05
Source export date
2026-09-28
Source partition
6
Source file
https://download.open.fda.gov/drug/label/drug-label-0006-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-09-28/e0861bcde1444ef952820955caafc6f3fd29783e5ade07a13d933aa3336b399f/drug-label-0006-of-0014.json.zip
Source manifest SHA-256
cd2e66336a5cd2223fa3995098fdbdb84c6a7ee5c0a4addb236ccb22dd1e6887
Import run
20260929T050834Z
Imported at
2026-09-29 05:38:34
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

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Warnings sections page 1 of 1 · 1 matching rows.

warnings

Warnings Do not use to make a child sleepy with any other product containing diphenhydramine, even one used on skin Ask a doctor before use if the child has a breathing problem such as chronic bronchitis glaucoma Ask a doctor or pharmacist before use if the child is taking sedatives or tranquilizers When using this product marked drowsiness may occur sedatives and tranquilizers may increase drowsiness excitability may occur, especially in children Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. (1-800-222-1222)

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.