Cold sore or chapped lips, how do you tell the difference?
Sometimes I cannot tell if it is a cold sore starting or just chapped lips. A cold sore usually tingles first then blisters in one spot, chapped lips are more all over and dry. How do you tell the difference early?
If in doubt I protect it either way, dry lips can trigger a flare anyway.
The tingle in one specific spot is my tell for a cold sore.
Chapped lips for me are dry all over, a cold sore is localised.