They can be quite painful. They feel like a combination of a fat lip like you get if you get hit on the lip, and the worst chapped lips you ever had, plus a burn on top of it all. When you smile it can make them crack open and hurt more. They can ooze and feel like blisters.
Cold sores look like a blister.
As a rule, cold sores are not a rash, but a blister! A rash sounds like,"Hives".
Bactroban is not effective for viral cold sores.
Cold sores aren't airborne.
You don't get cold sores from the wind.
Cold sores are very contagious.
If you mean that you have a rash on your abdomen that looks like cold sores, it could be shingles. See your health care provider for a diagnosis.
You're not likely to pass cold sores from your face to your neck. Cold sores like to transfer from a wet place like the mouth to another wet place like the genitals or eyes. The rash on your neck could be a sweat rash or a bacterial infection.
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.
You can get cold sores from hsv-2.