Skip to main content

511 A77 Pill - white oval

Pill with imprint 511 A77 is White, Oval and has been identified as Acyclovir 800 mg. It is supplied by ESI Lederle Generics.

Acyclovir is used in the treatment of Herpes Simplex; Cold Sores; Herpes Simplex Encephalitis; Herpes Simplex - Congenital; Herpes Simplex, Suppression and belongs to the drug class purine nucleosides. There is no proven risk in humans during pregnancy. Acyclovir 800 mg is not a controlled substance under the Controlled Substances Act (CSA).

Images for 511 A77

Acyclovir 800 mg 511 A77 Front
Acyclovir 800 mg 511 A77 Back


511 A77
800 mg
Prescription only
Drug Class
Purine nucleosides
Pregnancy Category
B - No proven risk in humans
CSA Schedule
Not a controlled drug
Labeler / Supplier
ESI Lederle Generics
National Drug Code (NDC)
59911-3164 (Discontinued)

Get help with Imprint Code FAQs.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.