Clinical diagnosis
PE may show infraorbital edema and darkening<unk>  shiner), transverse nasal crease<unk>  salute), and cobble-stoning of the posterior oropharynx
Rule out bacterial infection
PE may show infraorbital edema and darkening<unk>  shiner), transverse nasal crease<unk>  salute), and cobble-stoning of the posterior oropharynx
Allergic rhinitis
Upper respiratory infection, influenza
Croup
Sinusitis
Juvenile nasopharyngeal angiofibroma
Nasal polyp
Laryngitis
Nasal mass