# Overview
- mostly disease of *adults* due to H influneza B vaccination
- most common age 40-50 years
- spring time
- H flu, h parafinfluenzae, pneumococcus, GAS, S aureus causes
- previously was mostly disease of infants
- 90% of paeds cases < 2 years old
**Hx**
- severe [[Sore throat]]
- unresponsive to conventional abx
- fever in most patients
**Exam**
- hoarse voice
- drooling
- painful and difficult swallowing
- [[Upper airway obstruction (paeds)|Upper airway obstruction]]
- common in children
- less severe or absent in adults
- low pitched or purring [[Stridor]]
**Ix**
- XR lateral neck
- 85% sensitive
- many false positives
- CT → usually diagnostic
- unfortunately, many adults and most children will not tolerate lying flat
- blood culture
- WCC
![[Pasted image 20250102160305.png|soft tissue lateral neck XR showing thumb-shaped swelling of Epiglottitis and significant airway narrowing]]
![[Pasted image 20250102160510.png|CT of epiglottitis]]
# Management
**Severe airway obstruction**
- avoid upsetting patient
- nebulised adrenaline temporising measure
- dexamethasone 0.15mg/kg IV up to 10mg
- upright management
- secure airway → consider gas induction in theatre by experienced anaesthetist
- plan for [[Tracheostomy|FONA]] and [[Airway|difficult airway]]
**Abx**
- ceftriaxone or cefotaxime - 2g IV for 5 days adults; 25mg/kg up to 1g in children
**no severe airway obstruction**
- intubation required in 25% of adult cases
- observe in ICU/HDU setting