Hi, I had a cold sore on the 22nd Jan of last month, it s been 3 weeks and it s gone but there is still discolor on it, jus a little because I picked at it. Other then the discolor its gone, I want to knw is it still contigous?? Am I able to kiss yet?? It s been 3 weeks, I used abreva the second week but haven t used in a week because its gone and no pain jus discolor.