RT Journal Article SR Electronic T1 Herpes zoster: treatment with cimetidine JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1284 OP 1285 VO 129 IS 12 A1 S. T. Hayne A1 J. B. Mercer YR 1983 UL http://www.cmaj.ca/content/129/12/1284.abstract AB The active phase of herpes zoster can be predicted from the length of time it takes for all the vesicles to erupt. A case is reported in which cimetidine therapy appeared to reduce the expected length of the active phase from 35 days or longer to 10 days.