Famciclovir is an antiviral medication used to treat herpes infections. However, like all pharmaceutical compounds, it may contain impurities that can affect its purity, potency, and safety. Famciclovir impurities can be chemical or biological substances that are unintentionally introduced during the manufacturing process. These impurities can potentially cause adverse effects on the patient's health, making it crucial to monitor and control their presence. Proper identification and management of Famciclovir impurities