How to treat herpes zoster? can it cause death?

Shingles : Herpes zoster is due to flaring of dormant chicken pox infection along a verve , usually not lethal but will cause intractable pain even after healing for months ( years ) very little can be done , except symptomatic treatment.

Depends on situation: If you had chicken pox then you risk getting shingles. Vaccination the best way to lower the risk of getting shingles; the severity of pain and complications are signifantly decreased. Acyclovir is used for therapy, but is most effective witihn 48-72 hrs of an outbreak. Death from shingles is rare but can happen esp in pt with impaired immunity.