Clinical Trials

Inclusion Criteria:

1. Unilateral or bilateral headache symptoms attributed to occipital neuralgia or cervicogenic headache as defined by the International Headache Society's International Classification of Headache Disorders (3rd edition beta version)
2. Age 18 years and older (no upper age limit defined)
3. Imaging of cervical spine within last year (either x-ray, MRI or CT)

Exclusion Criteria:

1. History of cervical spine surgery, trauma, or surgical procedure involving head or neck during the last year
2. Use of new preventative medications 1 month prior or during study enrollment
3. Evidence of impaired sensation in the GON dermatome region (posterior scalp to the vertex of the cranium) from neurological, dermatological, or other disease process
4. Evidence of cranial defect or other anatomical abnormality near the target injection site
5. History of bleeding diathesis, coagulopathy, or current use of anticoagulant medications
6. Pregnancy
7. History of adverse reaction or allergy to local anesthetic agents or corticosteroids
8. Occipital nerve block within the past three months.
9. Unavailability for appropriate follow-up throughout the whole duration of study