I also had chicken pox late, and then got it more than once and developed shingles.

I then developed RSD very badly with the neuro TOS from overwork on the computer.

When my RSD flares, I take Acyclovir (is that the early Valtrex?) and Benadryl as well as Ativan which one or all can stop a flare up of the bright red skin, blisters, etc.

I throw this in just for thought, as all are nerve related.