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An event is serious (based on the ICH definition) when the patient outcome is:
* congenital anomaly
* other medically important event
In a case series, two men and two women [ages at the time of reaction onset not clearly stated] were described, who developed brachial neuritis during treatment with botulinum-toxin-a [botulinum toxin type a] for various manifestations of dystonia [routes not stated].
Case 1: The woman recently presented to the department of clinical and movement neurosciences at the age of 78 years. The woman had initially presented at the age of 64 years with torticollis to the left and laterocollis to the right. She had been diagnosed with primary sporadic cervical dystonia, and had been receiving treatment with botulinum-toxin-a 250 units at left splenius capitis (SC)+ 100 units at right SC+ 100 units at right sternocleidomastoid (SCM)+ 75 units at both levator scapulae (LS) (600...