200 mg: HSV infections, genital herpes of the skin & mucous membranes (ie, primary & frequently recurring genital herpes). Recurrence prevention for adults w/ very severe forms of very frequently recurring genital HSV infection. 400 mg: Prevention of severe cases of herpes simplex infection in severely immunocompromised adults exposed to an elevated risk of infection (eg, following organ transplants). 400 mg & 800 mg: Shingles (herpes zoster).
J05AB01 - aciclovir ; Belongs to the class of nucleosides and nucleotides excluding reverse transcriptase inhibitors. Used in the systemic treatment of viral infections.