1. Migraine diagnosis according to ICHD-2

2. Ages between 15 -45 Volunteering

3. Monthly attack number between 5-14

4. BMI between 18-30

5. w/o history of nephrolithiasis

6. w/o history of DM, peripheral vascular disease

7. w/o history of chronic systemic diseases (lung, heart,liver, kidney)

8. w/o any detected CNS disease (including MS, movement disorders, CVD, primary or secondary tumors)

9. w/o history of acute or chronic psychiatric disease

10. w/o history of antiplatelet and anticoagulant medication

11. w/o any combination of medication overuse headache or other primary headaches

12. w/o previous medication of flunarizine and topiramate

13. w/o previous application of GONB

Comparison of Therapeutic Effects of Greater Occipital Nerve Block, Topiramate, and Flunarizine on Episodic Migraine