Reply To: spread my cold sore to my arm via a cut? › Forums › Herpes Questions › spread my cold sore to my arm via a cut? › Reply To: spread my cold sore to my arm via a cut? January 19, 2023 at 3:54 pm #80143 Terri WarrenKeymaster Once you have HSV in one location, it is very unlikely you will acquire it in a new location – I wouldn’t worry about this. Terri