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.
1 Mouth sores most commonly occur in children 1-2 years of age, but they can affect people at any age and any time of the year. 2  Oral inflammation from HSV-1 is also termed herpes gingivostomatitis.