Ingredient
Diphenhydramine
Identity
- Verified ingredient identity
- Diphenhydramine
- Entity type
- Small molecule
- Pharmacological class
- Histamine-1 Receptor Antagonist
- Salt forms
- Diphenhydramine hydrochloride
Found in verified medicines 15 verified medicines
Single-ingredient medicines 14
Products whose only active ingredient is Diphenhydramine
- Wal-Dryl Allergy as Diphenhydramine hydrochloride
- Diphenhydramine Hcl as Diphenhydramine hydrochloride
- Zzzquil as Diphenhydramine hydrochloride
- Z-Sleep as Diphenhydramine hydrochloride
- Wal-Sleep Z as Diphenhydramine hydrochloride
- Unisom Sleepmelts as Diphenhydramine hydrochloride
- Total Allergy as Diphenhydramine hydrochloride
- Sleeping as Diphenhydramine hydrochloride
- Sleep II as Diphenhydramine hydrochloride
- Nytol QUICKCAPS as Diphenhydramine hydrochloride
- Nighttime Sleep Aid as Diphenhydramine hydrochloride
- Nighttime Allergy Relief as Diphenhydramine hydrochloride
- Multi-Symptom Allergy Relief as Diphenhydramine hydrochloride
- EZ Nite Sleep as Diphenhydramine hydrochloride
Combination medicines 1
Products that contain Diphenhydramine together with other active ingredients
- Night Time Pain Medicine as Diphenhydramine hydrochloride with Acetaminophen
Product facets
- Single-ingredient medicines
- 14
- Combination medicines
- 1
- Distinct partner ingredients
- 1
- Dosage forms
- Oral tablet, liquid gel
- Oral tablet, capsule, liquid gel, oral liquid, topical cream, injection
- Strengths from single-ingredient medicines
- 25 mg
- 50 mg
- Partner ingredients
Scientific reference data
- UNII
8GTS82S83M- PubChem CID
3100- RxNorm
3498- iMedix entity id
ing_000237
Data provenance
- Ingredient identity
- Verified by the iMedix ingredient vocabulary
- Medicine mappings
- 15 verified medicine relationships
- Sources
- Verified structured records
Technical details
- Entity source
seed seed:v1.1- Alias sources
seed: 1- Mapping methods
exact_alias: 14 · raw_rule: 1- Relationship sources
seed seed:v1.1: 15- Graph version
17- Public index evaluated
2026-10-16 14:08:40 UTC