Tonsillitis

Inflammation of the palatine tonsils, characterized clinically by sore throat, odynophagia, tonsillar hyperemia, edema, and cervical lymphadenopathy, with potential for peritonsillar abscess and recurrent or chronic tonsillar disease. Possible causes are viral infection (rhinovirus, influenza, adenovirus, EBV) or bacterial infection (Group A Streptococcus, Mycoplasma or Chlamydia).