I have been plagued by them! I get them when I'm run down anyway. For years I thought Zovirax was the best cure but now I use the compeed patches. Utterly amazing. Clear up small ones in a day and big ones within 2-3 days. I have packs of them in all my bags!!
My mother get cols sores all the time and she uses huge doses of L-lysine to get rid of them. Works very well. Double check with your pharmacist, but since it's an amino acid, it should be fine, especially short term.
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