A member asked:

What are the earliest symptoms of cold sores (oral herpes)?

A doctor has provided 1 answer

Pain, tingling, itch: Many people describe either pain, tingling, or itching, beginning as much as a full day before the cold sore actually comes out. They know a cold sore is coming before there's any redness, swelling, or blistering.

Answered 9/28/2016

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