16 Ways to Prevent & Get Rid of Cold Sores, I've found an over dose of Lysine, vitamin c, and abreva will pretty much do the trick. Or call the dr. and they will prescribe you valtrex... Hubby fever blister (due to over exposure to sun and no sunblock) is almost completely gone and wasn't noticeable after day 2.
How to get rid of cold sores? Learn about essential oils and other natural treatments to prevent and treat fever blisters: http://www.optiderma.com/articles/essential-oils-for-fever-blisters/. Includes a great DIY recipe to make your own healing salve for cold sores.