Baby girl is 17 months, teething, and was determined to have hand, foot, and mouth 7 days ago. Three days of fever, before we went to ped. 6 days ago she tripped on carpeted floor and landed with pacifier in mouth. Mouth bled. Top gums are still very swollen, are completely covering up her 4 top front teeth, and have some pus. Is there an infection or is this just the hand, foot, and mouth / teething?