Common among children ages 10 and younger, hand, foot and mouth disease is a viral infection that causes painful, red blisters aforementioned areas. The disease can be caused by a number of different viruses, most frequently the Coxsackie virus. Q: What are the symptoms of hand, foot and mouth disease? A: A fever and sore throat are common early symptoms of the disease. Some children also experience a reduced appetite and runny nose. In the days following the early symptoms, a small blister like rash will develop inside the mouth, on the palms and soles of the child’s feet. In some cases, sor......