Cold sores also called fever blisters. Cold sores are caused by a viral infection that attacks the skin and nervous system. . They are sometimes confused with impetigo, which usually develops between the nose and upper lip. Fluid that weeps from impetigo is cloudy and honey-colored. Cold sores are caused by the herpes simplex virus, and they're contagious.
Treatment may include topical creams or ointments or sometimes antiviral medicines (such as acyclovir or famciclovir). Treatment may reduce the duration of the cold sores by only 1 to 2 days. Using a medication may shorten the duration of cold sores and decrease your pain...read more
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