Some people have reported that applying Aloe juice to the tingling area before the onset of the fever blister that it reduces the chance an outbreak
Tea Bags
Tea bags are said to reduce the time an outbreak lasts down to about 5 days. Boil a tea bag then let it cool down, once it is cold apply to the affected area. There is no said time on how long to leave it on for so it best to try it yourself to see what works for you.