Aciclovir sodium for Intravenous Infusion B.P. is indicated for the treatment of initial and recurrent mucosal and cutaneous Herpes simplex (HSV-1 and HSV-2) and varicella-zoster (shingles) infections in immunocompromised patients. It is also indicated for herpes, simplex encephalitis in patients over 6 months of age and for severe initial clinical episodes of herpes genitalis in patients who are not immunocompromised.