Hemifacial spasm (HFS) is a neurological disorder manifested by twitching on one side of ... Currently, most physicians consider botulinum toxin (BTX) injections to be the optimal treatment with ...

With hemifacial spasms, a neuromuscular disorder, an eyelid spasm progresses ... be treated with regular injections of botulinum toxin. Also known by the brand name Botox, the medication produced ...