see also: [[Stridor]], [[Upper airway obstruction (paeds)]] see: [RCH - Sore throat](https://www.rch.org.au/clinicalguide/guideline_index/sore_throat/) DDx - pharyngitis or tonsillitis - consider risk factors for [[Rheumatic fever]] - many cases viral, including glandular fever (Infectious mononucleosis) - bacterial, including strep, gonococcal, diphtheria, syphilis - [[Epiglottitis]] - consider in un-immunised patient - [[Croup]] in kids - bacterial tracheitis - Deep neck infection - [[Parapharyngeal abscess]] - [[peritonsilar abscess]] - [[Ludwig angina]] - [[Lemierre's syndrome]] - referred pain - ACS - [[Aortic dissection]] - trauma or burns