Age

18–60

Sex

ALL

Healthy volunteers

Not accepted

Received preventive treatments during the previous 3 months;
Definite other kinds of headache, especially tension-type, medication overuse and secondary headache (ICHD-3 code 8.2);
Severe neurological or psychiatric disorders;
Severe primary systemic disorders including heart, brain, liver, kidney, and hematopoietic system;
Women with pregnancy or lactation.

Transcutaneous Supraorbital Nerve Stimulator Versus Topiramate in Prevention of Recurrent Migraine