Sekine K, Kawashima T and Hashimoto Y. Comparison of the TNF-a Levels Induced by Human-Derived Bifidobacterium longum and Rat-Derived Bifidobacterium animalis in Mouse Peritoneal Cells. Bifidobacteria Microflora 1994;13(2):79-89.
A Sharecare Ad Target User , Administration, answered. An outbreak of oral herpes, or cold sores, should go away on its own in about one or two weeks. Antiviral medications can help them heal faster if taken early. Talk to your doctor if your cold sores do not go away after two weeks. Helpful? 1 person found this helpful.
Using nonprescription ointments that can relieve pain or help heal the cold sore. Some products such as Abreva and Zilactin can speed the healing of cold sores or prevent them if applied early enough. Other products such as Orajel and Anbesol can numb sore areas in the mouth or on the lips. Children age 2 and older can be treated with Zilactin-L Liquid, Orajel Baby, and Anbesol.