<unk>  is a 1st generation antihistamine that also anticholinergic properties used to relieve nasal congestion and in eye drops, usually in combination with naphazoline, to relieve the symptoms of allergic conjunctivitis.
Antazoline
Nabilone
Guanfacine
Nortriptyline
Atomoxetine
Ketanserin
Venlafaxine
Dapoxetine