Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]
D DERMATOLOGICALS
D04 ANTIPRURITICS, INCL. ANTIHISTAMINES, ANESTHETICS, ETC.
D04A ANTIPRURITICS, INCL. ANTIHISTAMINES, ANESTHETICS, ETC.
D04AA Antihistamines for topical use
D04AA32 Diphenhydramine
D03854 Diphenhydramine citrate (USP)
R RESPIRATORY SYSTEM
R06 ANTIHISTAMINES FOR SYSTEMIC USE
R06A ANTIHISTAMINES FOR SYSTEMIC USE
R06AA Aminoalkyl ethers
R06AA02 Diphenhydramine
D03854 Diphenhydramine citrate (USP)
Drug groups [BR:br08330]
Anti-allergic agent
DG01557 Histamine receptor antagonist
DG01482 Histamine receptor H1 antagonist
DG00390 Diphenhydramine
D03854 Diphenhydramine citrate
Target-based classification of drugs [BR:br08310]
G Protein-coupled receptors
Rhodopsin family
Histamine
HRH1
D03854 Diphenhydramine citrate (USP)
Rx-to-OTC switch list in the USA [br08315.html]
D03854
Drug groups [BR:br08330]
Anti-allergic agent
DG01557 Histamine receptor antagonist
DG01482 Histamine receptor H1 antagonist
DG00390 Diphenhydramine