Treatment of Vestibular Neuronitis Symptom relief with antiemetics, antihistamines, or benzodiazepines Symptoms of vestibular neuronitis are symptomatically managed over the short term as in Meniere disease —ie, with anticholinergics, antiemetics (eg, prochlorperazine or promethazine 25 mg rectally or 10 mg orally every 6 to 8 hours), antihistamines or benzodiazepines, and a corticosteroid burst with rapid taper.