Ereyga "phenyltoloxamine" waa iskudhis kiimiko iyo daroogo ka tirsan fasalka antihistamines. Daawo ahaan, phenyltoloxamine waxaa badanaa loo isticmaalaa sida antihistamine iyo xakamaynta qufaca. Waxa loo isticmaalaa in lagu yareeyo calaamadaha la xidhiidha xasaasiyadaha, sida hindhisada, sanka duufsan, cuncun, iyo indhaha oo biyo leh, iyo sidoo kale in la xakameeyo qufaca. waxa kiimiko ahaan loo matalay sida C17H21NO. Waxaa sidoo kale loo yaqaanaa magaceeda kiimikaad 2-[(2R) -2-(Dimethylamino) -1-methylethoxy] phenyl-N-tolylmethanamine. Phenyltoloxamine waxay u shaqeysaa iyada oo xannibaysa ficilka histamine, kaas oo ah kiimiko uu soo daayo jidhku inta lagu jiro falcelinta xasaasiyadda, taas oo yaraynaysa ama yaraynaysa calaamadaha la xidhiidha xasaasiyadda. Waxaa lagu heli karaa qaabab kala duwan, oo ay ku jiraan kaniiniyada afka, kaabsal, iyo diyaargarowga dareeraha, waxaana laga yaabaa in lagu daro dawooyin kale oo loogu talagalay nasinta calaamadaha badan. Sida dawo kasta, waa in loo isticmaalo sida uu farayo xirfadle daryeel caafimaad oo aqoon leh.