Clinical features of definite migrainous vertigo in 33 patients
| Clinical features | n (%) |
|---|---|
| Duration of vertigo | |
| Seconds to 5 min | 6 (18) |
| 5 to 60 min | 11 (33) |
| 1 h to 1 d | 7 (21) |
| >1 d | 9 (27) |
| Migrainous symptoms during vertigo | |
| Migrainous headache | 31 (94) |
| Always | 15 (45) |
| Sometimes | 16 (48) |
| No headache | 2 (6) |
| Photophobia | 23 (70) |
| Phonophobia | 21 (64) |
| Visual or other auras | 12 (36) |