No one likes cold sores. These tingling, red lip blisters are tough to hide, and sometimes they're slow to heal. You can help prevent them by applying sunblock on your lips and face year-round. Avoid kissing anyone who has a cold sore, and don't share utensils, lip balm, towels or other personal items.
July 15, 2014
See more In-depth
- Cold sore. MayoClinic.org. http://www.mayoclinic.org/diseases-conditions/cold-sore/basics/definition/con-20021310. Accessed April 29, 2014.