Tonsillitis
Causes
Viral
Bacterial - Group A Strep (strep pyogenes), S. pneumoniae, H. influenzae, M. catarrhalis
Presentation
Sore throat
Dysphagia/odynophagia
Fever
O/E
Red, inflamed tonsils +/- white exudates
Anterior cervical lymphadenopathy
Viral tonsillitis is more associated with headache, apathy and abdominal pain, whilst Bacterial tonsillitis is more associated with purulent discharge and cervical lymphadenopathy.
N.B. Waldeyer’s Tonsillar Ring is the ring of lymphoid tissue, which includes the nasopharyngeal, tubal, palatine, and lingual tonsils.
Centor Criteria
This is used to assess likelihood of a sore throat being due to bacterial infection.
Management
Viral:
Safety netting i.e. seek medical attention if temp spike, new exudates, new lymphadenopathy
Simple analgesia (paracetamol, ibuprofen)
Bacterial (Centor > 3):
Phenoxymethylpenicillin (Pen V) 500mg QDS for 5-10 days
Clarithromycin if pen allergic/intolerant
Complications
Recurrent tonsillitis - Most common complication
Peritonsillar abscess (Quinsy) - Presents with peritonsillar bulge, uvular deviation, trismus and muffled voice - Managed with abx and aspiration
Retropharyngeal abscess - Rare complication caused by soft tissue swelling, presenting with a stiff and extended neck


