| Definite Meniere’s disease | Probable Meniere’s disease |
| ≥2 Spontaneous episodes of vertigo each last for 20 minutes to 12 hours. | ≥2 Spontaneous episodes of vertigo lasting for 20 minutes to 24 hours. |
| Documented low-to medium-frequency sensorineural hearing loss in one ear through an audiometer, defining and locating the affected ear in at least one instance prior to, during, or after one of the episodes of vertigo. | Fluctuating aural symptoms (Fullness, tinnitus, hearing loss) in the affected ear. |
| Fluctuating aural symptoms (fullness, hearing, tinnitus) located in the affected ear. | Not better accounted for by another diagnosis. |
| Not better accounted for by any other vestibular diagnosis. |