Answer
Famciclovir is converted to penciclovir, which is phosphorylated in virus-infected cells to penciclovir triphosphate, which competes with deoxyguanosine triphosphate for incorporation into viral DNA, inhibiting DNA chain elongation and halting viral DNA replication.
Sources for this answer
- Famciclovir 250 mg film-coated tabletsViatris (formerly Mylan or Upjohn) · emc · SmPC §5.1 Pharmacodynamic properties · Version 1Document updated
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