Canker sores and cold sores: is it the same thing?

Canker sores and cold sores are not linked. The cold sore is the symptom of herpes, chronic viral illness caused by herpes simplex viruses. The canker sore is not infectious, while the cold sore is.

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Many women have canker sores in the days before their menstrual cycle

Tip of the day:

Check that you do not take a medicine likely to cause canker sores