Share of Cost, Why Do Fever Blisters Reoccur?

Wednesday, Oct. 11th 2017 10:26 AM

Fever blisters result from a herpes simplex virus that becomes active. This virus is latent (dormant) in afflicted people, but can be activated by conditions such as stress, fever, trauma, hormonal changes, and exposure to sunlight. When lesions reappear, they tend to form in the same location.

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