Cold Sore (Herpes)
Herpes is a virus which lives in nerve endings within the skin. It normally appears felt around the corners of the mouth, with crusty, oozing blisters.
Symptoms
A tingling, itchy feeling is usually felt just before the rash forms.
Tiny blisters appear, usually at the lips where they join the skin.
The blisters become sore and itchy.
They then crust over and last about one week before disappearing.
They can return at any time.
Content Courtesy : www.nhsdirect.nhs.uk
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