Greater Occipital Nerve Blockade and Sphenopalatine Ganglion Blockade in Patients With Episodic Migraine

Patients will receive greater occipital nerve blockade using 2 mL of 2% lidocaine at the medial one-third of the line between the occipital protuberance and mastoid process.

Patients will receive greater sphenopalatine ganglion blockade using 2 mL of 2% lidocaine using a transnasal approach with a cotton swab inserted along the superior middle turbinate to the posterior nasopharyngeal wall.