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Cold Sores or Oral Herpes are small blisters, which are filled with fluid and develop on and around the lips. These lesions are commonly found in clusters and in patches. It commonly heals within a couple of weeks or so. Cold Sores or Oral Herpes are contagious and are transmitted by close contact, like kissing. Cold Sores or Oral Herpes are at their most contagious when they ooze fluid; however, the virus can also be spread to other people even when there is no blister formation. Know the causes, symptoms, treatment and diagnosis of cold sores or oral herpes.
