Antazoline is a 1st generation antihistamine with anticholinergic properties used to relieve nasal congestion and in eye drops, usually in combination with naphazoline, to relieve the symptoms of allergic conjunctivitis.To treat allergic conjunctivitis, antazoline can be combined in a solution with tetryzoline.The drug is a Histamine H1 receptor antagonist:selectively binding to but not activating the receptor, wat die werking van endogene histamien blokkeer en dan lei tot die tydelike verligting van die negatiewe simptome wat deur histamien veroorsaak word..