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Croup (laryngotracheobronchitis): assessment & management

A detailed Australian summary of croup (laryngotracheobronchitis): assessment & management, with source-attributed priorities, a practical workflow, safety escalation and state or territory implementation boundaries.

JurisdictionAustralia
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceHealthcare professionals practising in Australia
This is an iatroX educational summary of named Australia sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. RCH croup is used as an explicitly Victoria implementation source. Verify the corresponding state or territory pathway before acting.

Scope

Recognise barking cough, hoarse voice and inspiratory stridor and assess severity at rest without upsetting the child unnecessarily. Keep the child with a caregiver, avoid throat examination and provide corticosteroid under the paediatric guideline for clinically significant croup. This summary is limited to the population, decisions and escalation boundaries stated in the named source.
sources for this section:RCH croup

The Bottom Line

  • Recognise barking cough, hoarse voice and inspiratory stridor and assess severity at rest without upsetting the child unnecessarily.
  • Keep the child with a caregiver, avoid throat examination and provide corticosteroid under the paediatric guideline for clinically significant croup.
  • Humidified air has no proven routine benefit and can delay effective corticosteroid and airway care.
  • Use nebulised adrenaline for severe or persistent stridor under monitored care and observe for recurrence according to the pathway.
sources for this section:RCH croup

Practical clinical workflow

1

Topic-specific assessment action

Recognise barking cough, hoarse voice and inspiratory stridor and assess severity at rest without upsetting the child unnecessarily.
2

Topic-specific diagnostic action

Use nebulised adrenaline for severe or persistent stridor under monitored care and observe for recurrence according to the pathway.
3

Topic-specific management action

Consider bacterial tracheitis, epiglottitis, foreign body and anaphylaxis when drooling, toxic appearance or atypical course is present.
4

Topic-specific follow-through

Observe long enough after nebulised adrenaline to detect return of stridor before discharge.
sources for this section:RCH croup

Safety boundaries and escalation

  • Stridor at rest with marked recession, hypoxia, exhaustion, reduced consciousness, cyanosis or poor response requires emergency airway expertise.
  • Recurrent or unusually prolonged croup needs assessment for airway anomaly, reflux, foreign body or another diagnosis.
sources for this section:RCH croup

Implementation

RCH croup is a Victoria source. It supplies an Australian implementation example, not a national rule. Confirm the equivalent pathway, referral destination and medicine policy in the patient鈥檚 state or territory. Check current TGA product information for medicines. Offer culturally safe care and use the NACCHO鈥揜ACGP National Guide where Aboriginal and Torres Strait Islander preventive or chronic-care recommendations differ.
sources for this section:RCH croup

Clinical use boundary

This independently written summary is not an official guideline. Check the linked source version, current TGA-approved product information where medicines are involved, and the applicable state, territory and local pathway at the point of care.

sources for this section:RCH croup

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. The Royal Children鈥檚 Hospital MelbourneClinical Practice Guideline: CroupCurrent page checked 2026-08-20 路 accessed 2026-08-20
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