<unk>  is an anti-asthmatic agent that is FDA approved for the treatment of allergic rhinitis.   Common adverse reactions include bitter taste, nasal discomfort, epistaxis, headache, sneezing, fatigue, somnolence, and upper respiratory infection.
Azelastine Hydrochloride
Bepotastine Besilate
Emedastine Difumarate
Epinastine hydrochloride
Pemirolast
Clemastine
Seratrodast
Nitroxoline