Good find. I thought I'd put in the abstract for people to read. At one stage I was on on Valtrex daily which did make a difference in the short term (about 2 weeks) but then it started tearing my gut apart so gave it a miss.
SUMMARY: The concept that reactivation of latent neurotropic viruses (ie. Herpesviridae group) in the vestibular ganglion is responsible for recurrent vestibulopathies is presented. A similar histopathological degeneration of vestibular ganglion cells in vestibular neuronitis (VN), Ménière's disease and BPPV is presented to support this concept. The clinical response (relief of vertigo) to the administration of antiviral medication in these syndromes provides practical evidence of a viral neuropathy in patients with recurrent vertigo. Relief of vertigo after this treatment was 90% in VN, Ménière's disease and VN (must be a typo here). The relief of positional vertigo (BPPV) was 66%.
I can't get the full paper unfortunately. Might try through the library next week to see what the dosing was like.
Best ... Scott