Acyclovir

Used for herpatic infections including herpes simplex, varicella, and zoster. It can also be used prophylactically in patients with recurrent herpetic infections. It is most effective to shorten the duration of illness if started within 48-72 hours of first blisters to shorten the duration of illness. Acyclovir is generally well tolerated. It can occasionally cause nausea. Some other antivirals that can be used are Famciclovir, and Valacyclovir.