Inclusion Criteria:

• Diagnosed with cervicogenic headache by at least two pain specialists or neurologists;
• Disease duration of at least 3 months;
• Age between 18 and 65 years;
• Numerical Rating Scale (NRS) score ≥ 3 despite conservative pharmacological treatment;
• Signed informed consent form.

Exclusion Criteria:

• History of allergy to trial medications such as corticosteroids;
• Alcohol abuse; long-term use of opioids (exceeding 2 weeks or more than 3 days per week for over 1 month); suspected use of sedative or analgesic medications; patients on long-term steroid therapy;
• Severe neurological disorders, significant hepatic or renal dysfunction, heart failure, coagulation abnormalities, gastric ulcer, diabetes, inflammatory rheumatic diseases, etc.;
• Inability to use pain assessment scales;
• Presence of local or systemic infection;
• Pregnant or lactating patients.