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Descriptor in English: Diphenhydramine
Descriptor in Spanish: Difenhidramina
Descriptor in Portuguese: Difenidramina
Descriptor in French: Diphénhydramine
Entry term(s): 2-Diphenylmethoxy-N,N-dimethylethylamine
Allerdryl
Benadryl
Benhydramin
Benylin
Benzhydramine
Citrate, Diphenhydramine
Dimedrol
Diphenhydramine Citrate
Diphenhydramine Citrate (1:1)
Diphenhydramine Hydrochloride
Diphenylhydramin
Diphenylhydramine
Dormin
Hydrochloride, Diphenhydramine
Tree number(s): D02.092.471.320
D02.455.426.559.389.115.250
Scope note: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.
Allowable Qualifiers: AA analogs & derivatives
AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
DeCS UI: 4210
Descriptor UI: D004155
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2015/06/18
Diphenhydramine - Preferred
Concept UI M0006508
Scope note A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.
Preferred term Diphenhydramine
Entry term(s) 2-Diphenylmethoxy-N,N-dimethylethylamine
Benhydramin
Benzhydramine
Diphenylhydramin
Diphenylhydramine
Benadryl - Narrower
Concept UI M0369591
Preferred term Benadryl
Benylin - Narrower
Concept UI M0006510
Preferred term Benylin
Diphenhydramine Citrate - Narrower
Concept UI M0330460
Preferred term Diphenhydramine Citrate
Entry term(s) Citrate, Diphenhydramine
Diphenhydramine Citrate (1:1)
Diphenhydramine Hydrochloride - Narrower
Concept UI M0006507
Preferred term Diphenhydramine Hydrochloride
Entry term(s) Hydrochloride, Diphenhydramine
Dormin - Narrower
Concept UI M0351273
Preferred term Dormin
Allerdryl - Narrower
Concept UI M0369592
Preferred term Allerdryl
Dimedrol - Narrower
Concept UI M0369590
Preferred term Dimedrol



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