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.
Most cold sores heal on their own. But you can manage your symptoms at home by: Placing a cool, wet towel on the sores 3 times a day for 20 minutes each time to help reduce redness and swelling. Taking ibuprofen (such as Advil or Motrin) or acetaminophen (such as Tylenol) to reduce pain.