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A member asked:
Can you catch an infection from a canker sore?
3 doctors weighed in across 2 answers
Yes: It is kind of a normal thing to have happen. The ulcer is open, and you are spitting into it. How could some bacteria not take advantage of the situation?
Answered 1/5/2019
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Show 1 more comment
Yes and no: While not considered contagious some it is an open wound so you can get a secondary infection.
Answered 5/22/2013
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Related Questions
A member asked:
Is a cancker sore a sign of infection somewhere else in body?
A doctor has provided 1 answer
A member asked:
I had a cancker sore near my wisdom tooth that just healed but now I have throat redness with little pain when swallowing, is it related to some infection or something ?
2 doctors weighed in across 2 answers
A member asked:
Does having a small open wound like canker sore or gigivitis inside your mouth increase chances of catching influenza?
6 doctors weighed in across 2 answers
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