abobotulinumtoxina dysport also called botulinum toxin type a is made from the bacteria that causes botulism botulinum toxin blocks nerve activity in the muscles causing a temporary reduction in muscle activitydysport is used to treat cervical dystonia severe spasms in the neck musclesdysport is also used to temporarily lessen the appearance of facial wrinkles dysport may also be used for other purposes not listed in this medication guideysport is used to treat cervical dystonia severe spasms in the neck muscles dysport is also used to temporarily lessen the appearance of facial wrinkles dysport may also be used for other purposes not listed in this medication guide