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pizotifen

n. An benzocycloheptene-based drug used mainly to reduce the frequency of recurrent migraine.

Wikipedia
Pizotifen

Pizotifen ( INN) or pizotyline ( USAN), trade name Sandomigran, is a benzocycloheptene-based drug used as a medicine, primarily as a preventative to reduce the frequency of recurrent migraine headaches.