RT Journal Article SR Electronic T1 Update on drugs for herpes zoster and genital herpes JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 77 OP 79 DO 10.1136/dtb.1998.361077 VO 36 IS 10 YR 1998 UL http://dtb.bmj.com/content/36/10/77.abstract AB We reviewed the use of aciclovir (Zovirax - Glaxo Wellcome) 6 years ago.1 Since then, two more oral antiherpetic drugs have been licensed - famciclovir (Famvir - SmithKline Beecham) and valaciclovir (Valtrex - Glaxo Wellcome). Here we discuss their efficacy and safety, and review their place in the management of patients with herpes zoster (shingles) and genital herpes, comparing them with aciclovir.