Cluster Headache Associated with Secondary Unilateral Blepharospasm: A Case Report and Review of the Literature.

PURPOSE: Cluster headache is one of the most serious types of headache that is accompanied by autonomic parasympathetic symptoms. Its association with hemifacial spasm in the same side had been rarely reported. The aim of this report is describing a case with this association and treatment strategies. CASE REPORT: Here we report a 37-year-old female with cluster headache associated with secondary unilateral blepharospasm that was successfully treated with combination therapy including botulinum toxin injection. CONCLUSION: Hemifacial spasm associated with cluster headache needs special attention and can be treated successfully.