1. Penicillin allergy is a common clinical problem. The distinction between penicillin and para-infectious exanthems is difficult.

2. Enterovirus, devil's grip, enteroviral vesicular pharyngitis (herpangina), enteroviral vesicular stomatitis with exanthem (Hand, foot and mouth disease), enteroviral lymphonodular pharyngitis (acute lymphonodular pharyngitis), Bornholm disease, epidemic myalgia CHARACTERISTICS: