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 A sore throat caused by postnasal drip . People age 8 years or older can gargle with warm salt water at least once each hour to help ease throat soreness.  Hay fever or other seasonal allergies. Use saline drops or a humidifier to help clear a stuffy nose.