Treatment · Prevention
Greater occipital nerve block
An injection at the back of the head on the pain side.
Evidence
good data
GroupPrevention
How it works
Occipital and trigeminal fibres meet in the brainstem; the injection calms that hub.
How it is used
Works within days, lasts weeks.
Important. Done by a neurologist.
Any medicine is prescribed by a doctor. This page only explains how it works.