What is the Difference Between Croup and Epiglottitis?
🆚 Go to Comparative Table 🆚Croup and epiglottitis are both infections of the upper airway, but they affect different parts of the respiratory system and have distinct characteristics:
Croup:
- Affects the larynx and trachea, and may also involve the bronchi.
- Primarily a viral infection.
- Common in children between 1 and 3 years of age.
- Symptoms include a runny nose, low-grade fever, barking cough, and hoarseness.
- Usually a self-limiting illness that resolves with nebulization and corticosteroids.
Epiglottitis:
- Affects the epiglottis.
- Caused by bacterial infection, primarily by Haemophilus influenzae type b (Hib) in the past, but now more commonly by other bacteria.
- Can affect any age group, but used to be more prevalent in children 2-5 years of age.
- Symptoms include dysphonia (hoarse voice or inability to speak), fever above 104°F (40°C), and severe respiratory distress.
- A more serious condition that requires emergency medical care due to the risk of airway obstruction and potential complications.
Differentiating between croup and epiglottitis is crucial for proper treatment and management. Some additional signs of epiglottitis include a preference to sit, refusal to swallow, and dysphagia. Timely diagnosis and hospitalization are essential to prevent complications and potential death in epiglottitis cases.
Comparative Table: Croup vs Epiglottitis
Croup and epiglottitis are both infections that occur within the upper respiratory tract, with croup affecting the larynx, trachea, and bronchi, and epiglottitis affecting the epiglottis, which is the cartilage that covers the trachea during swallowing. They can share similar symptoms and signs, but there are differences that can help distinguish between the two conditions. Here is a table comparing the differences between croup and epiglottitis:
Feature | Croup | Epiglottitis |
---|---|---|
Onset | More gradual | Acute and fulminant in children |
Age | Commonly 6–36 months | Commonly 2–8 years (if not vaccinated against Haemophilus influenzae type B) and adults |
Barking cough | Characteristic | Uncommon |
Epiglottis Appearance | May be erythematous | Edematous and cherry red |
Neck X-ray Findings | Subglottic narrowing (steeple sign) and a normal-sized epiglottis | Enlarged epiglottis (thumb sign) and distention of the hypopharynx |
Differentiating between croup and epiglottitis is crucial for timely diagnosis and treatment, as epiglottitis is a more serious condition that can lead to complications and potential death if not managed properly.
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