Denervation with botulinum toxin (botox) involves injecting a tiny amount of Botox in the area to be treated. When the toxin is injected into a specific area, the transmission of nerve impulses to the muscle becomes paralyzed. As a result, the muscle in question is paralyzed, but this effect is always transient and reversible, offering a maximum of three months or so. Currently, this treatment is particularly suitable for controlling cervical dystonia or spasmodic torticollis, which is carrying out a rotation of the head as a result of dystonic spasms in the neck muscles. Despite the benefits of this treatment, it is not a final solution in any case.