A member asked:

Is it possible to have a cold sore for over 2 months due to vitamin deficiency or weakened inmune system?

A doctor has provided 1 answer

See below: For that sore to last for that length of time, you need to have it evaluated to make certain that it is not something instead.

Answered 7/8/2013

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Aching muscles an bones due to vitamin d deficiency, what to do?

A doctor has provided 1 answer