Suspected or confirmed<unk>  neuralgia
Migraine refractory to conservative treatment
Post-lumbar puncture headache refractory to conservative treatment
Cluster headache,<unk>  neuralgia, cervicogenic headache, or migraine with<unk>  nerve irritation or tenderness
Nerve Block: Occipital
Nerve Block: Supraorbital
Nerve Block: Penile
Nerve Block: Infraorbital
Nerve Block: Median
Nerve block: Auricular
Nerve block: Lingual
Nerve Block: Femoral