An improved method (process) is provided to treat herpes, pseudomonas, staphylococcus (staph), and hepatitis and help treat or alleviate cold sores, rashes, skin conditions, or symptoms resulting from herpes, pseudomonas, staph, and hepatitis. The method uses a special medicinal composition which can be self-administered and maintained for a prescribed time. The attractive medicinal composition can comprise a quaternary ammonium salt surfactant, a skin protectant and an alcohol. The quaternary ammonium salt surfactant can comprise benzalkonium halide, preferably benzalkonium chloride. The skin protectant can comprise Allantoin. The alcohol can serve as a pain reliever and can comprise benzyl alcohol. The medicinal composition can also include other compounds, additives, herbal extracts and/or carriers. Desirably, the medicinal composition is maintained on the infected regions until external symptoms and physical manifestations of the symptoms resulting from herpes, pseudomonas, hepatitis, or staph substantially disappear from the infected regions.