Injections of botulinum toxin into affected muscles are effective for relieving hemifacial spasm symptoms 85 to 95% of the time. The paralysis the toxin causes provides immediate relief but is only temporarily, so follow-up treatment is required every three to six months. Anti-convulsant drugs are an alternative treatment option. Surgical intervention is a one-time procedure instead of a continuous process, but toxin injections and medications are less invasive.

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