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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.
I've tried Blistex, carmax, chapstick, and every other lip balm, plus Vaseline. All of them soothe but do not make the redness or bumps go away. These are not cold sores. I saw a doctor when this first happened over a year ago, and she said it could be an allergy to my toothpaste, and suggested baking soda for brushing.