Table 1.

Six Different Migraine Trigger Sites Corresponding to Branches of the Trigeminal and the Greater Occipital Nerves in 3 Different Craniofacial Regions

Trigger Site	Trigger Site	Corresponding Nerve
Site I	Frontal	Supratrochlear and supraorbital nerves
Site II	Temporal	Zygomatico-temporal branch of the trigeminal nerve
Site III	Septo-nasal	–
Site IV	Occipital	Great occipital nerve
Site V	Auricolo-temporalis	Auriculo-temporal nerve
Site VI	Lesser occipital	Lesser occipital nerve