An antiviral composition and a method of treating viral conditions comprising colloidal silver, silver nitrate, or both, and an antiviral natural herb or a natural herb from the Rutaceae family, such as Ruta graveolens, Myrtaceae family, such as Melaleuca alternifolia, Cupressaceae family, such as Thuja occidentalis, and the Moraceae family, such as fig, or any combination thereof.