Post-infectious vertigo
| Vestibular neuritis | Viral Labyrinthitis |
|---|---|
| No hearing loss | Hearing affected - hearing loss, tinnitus |
| Vertigo "attacks" | Sudden onset vertigo |
Expect s/s to resolve in 72h
Vestibular neuritis/neuronitis
| "acute, isolated, spontaneous, and prolonged vertigo of peripheral origin" | |
|---|---|
| Etiology | 3rd most comon cause of peripheral vestibular dysfunction. |
| Epidemiology | 3.5-15.5 per 100,000 |
| Clinical presentation | Preceding viral illness Rotational vertigo persisting when head is still; horizontal nystagmus Head impulse positive (see Vertigo > HiNTS exam) N+V Hearing not affected NO other focal neurology |
| Pathogenesis | |
| Diagnostic investigations | |
| Management | - CKS: prochlorperazine (buccal or IM) if severe - Else, short course PO antihistamine - Expect resolve in 1 week |