Stage 1: Tingling and itching occurs about 24 hours before blisters erupt.
Stage 2: Fluid-filled blisters appear.
Stage 3: The blisters burst and ooze. They form painful sores.
Stage 4: The sores dry out and scab over causing itching and cracking.
Stage 5: The scab falls off and the cold sore heals.
Viral infection or fever
Hormonal changes, such as those related to Viral infection or fever
Hormonal changes, such as those related to menstruation
Exposure to sunlight and wind
Weakened immune system
Injury to the skin
Cold sores are extremely contagious when you have oozing. The virus easily spreads through contact with infected body fluids. But you can spread the virus even if you don't have blisters. Many people who are infected never develop signs and symptoms. According to National Institutes of Health, more than 50 percent of people in the United States have HSV-1.
We were not satisfied with the status quo or existing products so we asked questions. We challenged whether this could be better. We mined scientific literature in pursuit of those answers.
Supports cold sore health. You have many things on your to-do list. You have family and friends to spend time with. There is a world waiting for you to explore. Cold sores should not be a concern.