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Croup vs Epiglottitis: Barky Cough vs No Cough — Age, Onset, Airway Emergency Decision

Both present with stridor in a young child, but one responds to cool mist at home while the other kills by complete airway obstruction if you so much as look at the throat. Picking the wrong action — examining the oropharynx in epiglottitis — can be the lethal mistake on the NCLEX and at the bedside.

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Comparison

Side-by-side2 compared
Focus
Dimension
Croup
Epiglottitis
Pathophysiology & risk
  • Viral (parainfluenza)
  • Subglottic swelling
  • Infants & toddlers, 6 mo–3 yr
  • Gradual onset over 1–2 days
  • Bacterial (H. influenzae B)
  • Supraglottic swelling
  • Age 2–6 yr, often unvaccinated (Hib)
  • Sudden onset over hours
Signs & symptoms
  • ★Barky, "seal-like" cough
  • Inspiratory stridor
  • Hoarse voice or cry
  • Low-grade fever
  • No drooling
  • ★Drooling, dysphagia, dysphonia, distress
  • Tripod position
  • No barky cough
  • High fever
  • Toxic-appearing
  • Inspiratory stridor
Diagnostics & labs
  • Steeple sign on AP neck x-ray
  • ★Thumb sign on lateral neck x-ray
Nursing priorities
  • Oral dexamethasone
  • Racemic epi for moderate–severe stridor
  • Keep child calm with parent
  • ★No tongue blade or throat exam
  • Keep child calm with parent
  • Prepare for emergent intubation
Treatment & meds
  • Dexamethasone
  • Nebulized racemic epinephrine
  • IV ceftriaxone after airway secured
Patient teaching
  • Cool mist/humidified air
  • Encourage fluids
  • Return if stridor at rest or retractions
  • Hib vaccine prevents it
  • Complete full antibiotic course
Red flags — escalate
  • Stridor at rest, retractions, cyanosis
  • Complete airway obstruction in minutes
Complications
  • Usually self-limiting
  • Rarely needs intubation
  • Airway obstruction
  • Sepsis
  • Death if airway is lost
Pathophysiology & risk

Croup

  • Viral (parainfluenza)
  • Subglottic swelling
  • Infants & toddlers, 6 mo–3 yr
  • Gradual onset over 1–2 days

Epiglottitis

  • Bacterial (H. influenzae B)
  • Supraglottic swelling
  • Age 2–6 yr, often unvaccinated (Hib)
  • Sudden onset over hours
Signs & symptoms

Croup

  • ★Barky, "seal-like" cough
  • Inspiratory stridor
  • Hoarse voice or cry
  • Low-grade fever
  • No drooling

Epiglottitis

  • ★Drooling, dysphagia, dysphonia, distress
  • Tripod position
  • No barky cough
  • High fever
  • Toxic-appearing
  • Inspiratory stridor
Diagnostics & labs

Croup

  • Steeple sign on AP neck x-ray

Epiglottitis

  • ★Thumb sign on lateral neck x-ray
Nursing priorities

Croup

  • Oral dexamethasone
  • Racemic epi for moderate–severe stridor
  • Keep child calm with parent

Epiglottitis

  • ★No tongue blade or throat exam
  • Keep child calm with parent
  • Prepare for emergent intubation
Treatment & meds

Croup

  • Dexamethasone
  • Nebulized racemic epinephrine

Epiglottitis

  • IV ceftriaxone after airway secured
Patient teaching

Croup

  • Cool mist/humidified air
  • Encourage fluids
  • Return if stridor at rest or retractions

Epiglottitis

  • Hib vaccine prevents it
  • Complete full antibiotic course
Red flags — escalate

Croup

  • Stridor at rest, retractions, cyanosis

Epiglottitis

  • Complete airway obstruction in minutes
Complications

Croup

  • Usually self-limiting
  • Rarely needs intubation

Epiglottitis

  • Airway obstruction
  • Sepsis
  • Death if airway is lost

★ marks the fact that sets a column apart.

Clinical Pearl

Barky cough = croup, cool mist. Drooling, no cough, tripod = epiglottitis — hands off the throat.

Component Topics

Croup / LaryngotracheobronchitisEpiglottitis

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