| Vestibular migraine |
| A. At least 5 episodes with vestibular symptoms1 of moderate or severe intensity, lasting 5 min to 72 hours |
| B. Times-roman ; current or previous history ofmigrainewith orwithout aura according to the International Classification of Headache Disorders (ICHD) |
| C. One or more migraine features with at least 50% of the vestibular episodes |
| – Headache with at least two of the following characteristics ; one sided location, pulsating quality, moderate or severe pain intensity, aggravation by routine physical activity |
| – Photophobia and phonophobia |
| – Visual aura |
| D. Not better accounted for by another vestibular or ICHD diagnosis |
| Probable vestibular migraine |
| A. At least 5 episodes with vestibular symptoms of moderate or severe intensity, lasting 5 min to 72 hours |
| B. Only one of the criteria B and C for vestibular migraine is fulfilled (migraine history or migraine features during the episode) |
| C. Not better accounted for by another vestibular or ICHD diagnosis |