-
cationic:drug,
-
otc:drug,
-
common:drug,
-
basic:pharmaceutical,
-
lipophilic:medicine,
-
lipophilic:drug,
-
common:antihistamine,
-
oral:antihistamine,
-
anticholinergic:medication,
-
charged:drug,
-
local:anesthetic,
-
anticholinergic:agent,
-
nonprescription:agent,
-
psychoactive:drug,
-
basic:drug,
-
otc:medication,
-
otc:antihistamine,
Category Nuances for diphenhydramine:
-
lipophilic,
-
basic,
-
common,
-
psychoactive,
-
cationic,
-
otc,
-
anticholinergic,
-
local,
-
oral,
-
charged,
-
nonprescription,
Simple Categories for diphenhydramine: