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| Over the Counter Topical Herpes (Cold Sore, Fever Blister) Treatment |
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| Remember a cold sore, which is also called fever blister or herpes simplex, is composed of groups of painful, fluid-filled blisters that often erupt around the lips and sometime under the nose or under the chin. Cold sores are usually caused by herpes virus type I and are very contagious. |
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