Bio Andrew âAndyâ Lambros is a web and graphic designer, developer, marketing expert and business consultant. He is the Co-founder and President of the Dream Builders Company, located just outside of Los Angeles, in Southern California.
I have a 3 year old with a sore in his mouth. It is between his upper lip and his gums at the very top. It looks like a white circle and it has a red streak coming down to his teeth.
Cold Sores Inside Mouth: How To Treat Cold Sores In Mouth. The cold sores inside mouth are different from the regular cold sores on the exteriors. These are also confused with canker sores but unlike the latter, cold sores are caused from a virus. It is a very common problem to get cold sores inside the mouth, which occur around the lip or cheek areas.