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Herpangina is a viral illness in which ulcers and lesions (sores) form inside the mouth, and there is sore throat and fever.
See also: Hand, foot, and mouth disease
Herpangina is typically caused by Coxsackie group A viruses.
The number of cases of herpangina is unknown, but it is a common childhood infection. It is most often seen in children ages 3 - 10, but it can occur in any age group. Cases of herpangina at school or in the neighborhood increase the chances that your child will develop the illness.