Tag Archives: inside

Canker Sore vs Cold Sore – Inside or Outside?

Canker sore vs Cold sore, what is the difference? Well, to start a cold sore, also called a fever blister, is caused by the herpes simplex virus. Over half of the population has this virus in their system (this isn’t the same virus as the one that causes genital herpes). This virus can stay dormant the majority of the time. Often times it will flare up and lead to a cold sore in times where your immune system is compromised such as during times of extreme stress […]

More info