2 doctors weighed in:

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

2 doctors weighed in
Dr. Bryan Levey
Pediatrics
1 doctor agrees

In brief: 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.

In brief: 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.
Dr. Bryan Levey
Dr. Bryan Levey
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