Doctor answers about:

Can canker sores cause headaches

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Can kisses cause canker sores?

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What are possible causes of recurrent canker sores?

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A member asked:

Could oral sex cause canker sores?

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A member asked:

What causes canker sores? how do i prevent them?

5 doctors weighed in across 2 answers

A member asked:

Can eating too many tomatoes cause canker sores?

A doctor has provided 1 answer

A member asked:

Can coffee really cause canker sores and if so why?

3 doctors weighed in across 2 answers

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