Doormatt wrote:i have the most horrific blister on my lip and its causing me to lose sleep now.
get abreva. also once you get one cold sore, you're going to inevitably get another. at the first sign of tingle, abreva can help.
(got a cold sore after kissing a girl in high school and about once a winter I feel one coming on and Abreva prevents them pretty well).