Coxsackie
(Hand, Foot and Mouth)

Symptoms include small ulcers in the mouth, small water blisters or red spots on the palms and soles of the feet and in between fingers and toes. This illness can be accompanied by low grade fever (100degrees F). Mainly occurs in children 6 months to 4 years of age.
It is caused by the Coxsackie virus. The incubation period after contact is 3 to 6 days. The fever can last 3-4 days with resolution of the rash in 7-10 days.
~excerpt from healthychildren.org