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.
Sores only on the outer lips (such as cold sores) are not covered; Causes of Mouth Ulcers or Sores. Canker Sores. The main cause of 1 or 2 mouth ulcers after age 5. Hand-Foot-Mouth Disease. The most common cause of multiple ulcers in the mouth. These ulcers are mainly on the tongue and sides of the mouth. Most children also have small deep blisters on the palms and soles. Due to the Coxsackie virus. It is common between ages 1 to 5 years. Herpes Simplex Virus (Cold sore virus). The first infection can be severe. It can cause 10 or more ulcers on the gums, tongue and lips.