Are Canker Sores Contagious?

Canker sores are painful and uncomfortable, and make normal daily tasks unbearable. Many people ask if canker sores are contagious often due to the confusion between canker sores and cold sores. 

Are Canker Sores Contagious? 

The answer is no, canker sores are not contagious and can not spread from one person to another. If you have a canker sore, there is no need to worry about spreading it to someone else. This is because canker sores are not a virus and do not result from a virus.

However, if you have a cold sore, which are sores that develop on the outside of your lips and mouth, those are contagious and can be spread from one person to another. This is because cold sores are caused from a virus. To learn more about the difference between canker sores and cold sores, check out the below article.

See Also: Canker Sore vs. Cold Sore

Can Canker Sores Spread Within Your Mouth?

When you get a canker sore, while it can get larger as it develops, it will not spread to other areas of your mouth. There is no need to be concerned about one canker sore in your mouth causing more. However, they can be prone to develop throughout your mouth at certain times due to vitamin deficiencies, trigger foods, stress and many other factors. 

See Also: What Causes Canker Sores

Do You Struggle With Recurring Canker Sores?

Are you struggling with recurring canker sores that are extremely painful? Did you know that 1 in 5 people deal with them. Canker Shield is designed with essential vitamins and substances that can rapidly heal emerging canker sores before they get to that awful painful stage. While most products for canker sores only numb the pain and must be reapplied many times a day for relief, Canker Shield is designed to heal canker sores rapidly and even prevent outbreaks from occurring in the first place. Click here to see testimonials of those who have finally found relief using Canker Shield.