Glucocorticoids orally (prednisone 1mg/kg/day up to 60mg maximum for 10-14 days or dexamethasone 300mg daily for 3 days)
Glucocorticoids locally (intratympanic instillation, dexamethasone 10 to 24mg/mL or methylprednisolone 30 to 40mg/mL) if refractory to oral GCs
Antivirals for possible HSV-1 infection (valacyclovir 1g TID or famciclovir 500mg TID) are not routinely indicated in the absence of exam findings
Sudden sensorineural hearing loss
Acute stroke, usually AICA occlusion
Bilateral red eyes
Multiple Sclerosis
Acute vision loss 
Meningitis
Unilateral red eye
Vestibular schwannomas