It is a commonly encountered otorhinolaryngological (ENT) emergency. The number of new cases per year of<unk>  in the United States has been estimated approximately at 30 cases per 100,000 people. In a study in Northern Ireland, the number of new cases was 10 cases per 100,000 people per year. In Denmark, the number of new cases is higher and reaches 41 cases per 100,000 people per year. Younger children who develop a<unk>  are often immunocompromised and in them, the infection can cause airway obstruction.
Peritonsillar abscess
Epiglottitis
Retropharyngeal abscess
Infectious mononucleosis
Parapharyngeal abscess
Adenoiditis
Streptococcal pharyngitis
Tonsillitis