Synonyms: Ketotifen Hydrogen Fumarate, 10H-Benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-, (2E)-2-butenedioate (1:1), 10H-Benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-, (E)-2-butenedioate (1:1), Allerkif, HC 20511, HC 20511 fumarate, Ketotifen fumarate, Ketotifen hydrogen fumarate, Totifen, Zaditen, Zaditor, Zasten
