pizotifen
/pɪˈzəʊtɪfɛn/Pharmacology
noun
A tricyclic drug with blocking properties at histamine and serotonin receptors, given orally in tablet form as a prophylactic in some cases of recurrent migraine; C19H21NS.
Origin
1960s; earliest use found in WHO Chronicle. From pi- + -zo- (in benzo-) + -tifen, representing thiophene, elements of the systematic name.