Oral herpes: Recurrent oral herpes (cold sores, also called fever blisters) is reactivation of infection with herpes simplex virus type 1 (HSV1). As the names themselves imply, other infections (colds, influenza, anything that causes fever) can trigger outbreaks. Sunburn also is a common trigger, prevented by sun block cream. However, most outbreaks have no obvious trigger.
Answered 3/25/2022
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5 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
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