"Cold sores" have nothing to do with colds. They're caused by the herpes virus. Assuming that you don't have herpes, what you've probably got is a canker sore, which looks similar but has different causes (and also has nothing to do with colds).
Bactroban is not effective for viral cold sores.
They can be transferable you don't have a cold sore at the time (most of us are infected with the virus).
Cold sores aren't airborne.
Cold sores are very contagious.
You don't get cold sores from the wind.
Cold sores are caused by a virus, and polysporin is not active against viruses, so it won't work for cold sores.
They do have cold sores in South America.
Cold sores aren't bad but they can be painful.
Cold sores look like a blister.
You can get cold sores from hsv-2.
Do you mean cold sores? They are caused by the herpes simplex virus, (HSV) You only can get Cold Sores through personal contact, for example, kissing. I dont think there is any other way. Hope I helped? :)
Biaxin is an antibacterial agent, and cold sores are viral, so it is not effective for treating cold sores.