Or, you may just be lacking in Vitamins...
If I get run down or neglect my diet, I will develop something similar to 'cold sores'...
They come up in a lump on my lip, in particular in the corners of my mouth...
They're like a cross between a cold sore, an ingrown hair and a mouth ulcer..
Painful stuff!!!
I've had them checked out and they are not viral at all...
They're simply a physical manifestation of poor diet and/or lack of taking care of myself...
Before you decide that you've picked up the virus, go and see your GP..
He's probably slightly more qualified than a lot of people...