Drug classDosing scheduleCost*
Antihistamines
Bepotastine (Bepreve)Twice per dayNA ($180)
Emedastine (Emadine)Four times per dayNA ($120)
Epinastine (Elestat)Twice per day$38 ($220)
Mast cell stabilizers
Lodoxamide (Alomide)Four times per dayNA ($150)
Nedocromil (Alocril)Twice per dayNA ($190)
Pemirolast (Alamast)Four times per dayNA ($115)
Other formulations
AzelastineUp to four times per day$40
Ketotifen (Zaditor)Twice per dayNA ($15)
Olopatadine (Patanol)Twice per day$50 ($250)