Basilar migraine is a rare type of migraine with complex symptoms including aura such as dysarthria, vertigo, tinnitus, and decreased level of consciousness. A 13-year-old male patient was presented with severe headache and immobility of whole body for 20 minutes after vomiting, dizziness, and dysarthria. Similar episode of headache and unconsciousness after vomiting happened 2 weeks ago prior to the visit. Vital signs were stable and pupils showed positive light reflex. Brain MRI and MRA, EEG, and electrocardiography revealed no abnormality. One day after discharge from hospital, patient revisited emergency room because of similar episode of headache. Preventive medication was started with flunarizine 5 mg per day. However, similar episodes of headache and loss of consciousness repeated three times over the next four months. Topiramate was then added with dose of 100 mg divided into two doses. Since then, the patient has been symptom free over 1 year.