A member asked:

Is it possible for you to get a cold sore from smoking a cigarette after someone who has one?

A doctor has provided 1 answer

Yes: "cold sores" can actually be a number of things, some of which can be infectious - like herpes virus related sores. Others, like aphthous ulcers, are not really communicable. They can look very similar.

Answered 9/28/2016

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