The lesion are slightly painful. Vesicles are also found on the palms, soles, extremities, and buttocks area. The rash will improve in about a week. Children are generally less ill appearing than those with Herpes gingivostomatitis. Herpangina Group A and B Coxsackie viruses and Echoviruses.
Lesions start as macules and progress to vesicles that eventually ulcerate.
Usually on the anterior tonsilar pillars, posterior pharynx, and soft palate. The infection is self limited although decreased PO intake may lead to dehydration. Varicella Chickenpox may have vesicles inside the mouth but the diffuse skin findings and crusting of vesicles helps differentiate it from other infections. Apthous Ulcers Etiology unclear although associated with many underlying conditions. Not secondary to HSV infections.