Share of Cost, What Are Fever Blisters

Tuesday, Oct. 3rd 2017 9:43 AM

Fever blisters are fluid-filled blisters that commonly occur on the lips. They also can occur on the gums and roof of the mouth, however that is rare. Fever blisters can usually be painful. Pain may also precede the appearance of the lesion by a few days. The blisters rupture within hours, then crust over. Fever blister last about seven to ten days.

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