I know cold sores are very contagious and I'm very careful about not spreading them (no kissing, no sharing drinks/food/utensils, washing my hands very often, as well as using Denavir--prescription) The yellow part of the coldsore is gone, now I'm left with the red spot that will look like normal tomorrow. Once it is gone am I not contagious or should I still be cautious for a few days?Answer Question
Answer by ecodani at 11:43 PM on Feb. 10, 2010
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