Herpes Simplex
"I bought Abreva when I felt my first tingle. I applied it 5/6 times a day every day. My cold sore got huge.I still have my cold sore and I&#039;m on day 12 :( now a new sore is popping up. I felt the tingle of the Abreva every time I put it on, but it didn&#039;t help at all."