Cold Sore or Oral Allergy Syndrome?

A number of years ago I developed a blister on my lip which I presumed to be a cold sore/fever blister. I have had other blisters like this, but I am very soon questioning whether these blisters really are cold sores and am wondering if I have Oral Allergy Syndrome (OAS) instead.
a sufferer of hay fever and eczema.
Could these "cold sores" be symptoms of OAS instead?
Answers:    I'm 43 and had cold sores since i was almost 11, once you get then you carry them close to hidden luggage where in my skin they appear when i get physically drained, i know what triggers it and how to contain it.

GO AND SEE A DOCTOR


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