... fumarate, and is available in two forms. In its ophthalmic form, it is used to treat allergic conjunctivitis,or the ... mouth, irritability, and increased nosebleeds.The drug is marketed as ophthalmic solutions under the brand names Zaditor/Zaditen (Novartis), Alaway ... Eye. A generic version of Novartis' Zaditor, ketotifen fumarate ophthalmic solution, 0.025%, is available from Perrigo and distributed as ...