Sneezing in Primary Headaches With Cranial Autonomic Symptoms: Pathophysiological Considerations. A Series of Case Reports.

Redon S1, Donnet A1. OBJECTIVE: To report a case series of sneezing systematically occurring in two cases with migraine and cranial autonomic symptoms and two with cluster headache. BACKGROUND: Sneezing occurring systematically during cluster headache or migraine is a rare