Updated Systematic Review on the Use of Nebulized Epinephrine for Pediatric Croup Management
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By
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Yonggang Wei
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Lei Li
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Nian Wei
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Yuanlin Pu
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Jihua Zhao
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Ping Xiong
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August 26, 2026
Clinical Scorecard: Updated Systematic Review on the Use of Nebulized Epinephrine for Pediatric Croup Management
At a Glance
| Category | Detail |
|---|
| Condition | Croup |
| Key Mechanisms | Nebulized epinephrine provides rapid relief of upper airway obstruction. |
| Target Population | Children aged 6 months to 3 years with moderate-to-severe croup. |
| Care Setting | Pediatric emergency care and inpatient settings. |
Key Highlights
- Nebulized epinephrine significantly reduced croup severity scores at 30 minutes post-administration.
- The benefit of nebulized epinephrine was not maintained at 2 hours.
- Hospital stay reduction was not statistically significant (P = 0.07).
- Current evidence does not support routine administration to shorten hospitalization.
- Epinephrine remains a valuable early intervention for moderate-to-severe acute presentations.
Guideline-Based Recommendations
Diagnosis
- Croup is diagnosed based on clinical presentation including bark-like cough, stridor, and respiratory distress.
Management
- Management primarily relies on glucocorticoids, with nebulized epinephrine as an acute intervention.
Monitoring & Follow-up
- Monitor croup severity scores and respiratory status post-epinephrine administration.
Risks
- Potential adverse reactions to nebulized epinephrine should be considered.
Patient & Prescribing Data
Children presenting with acute croup.
Nebulized epinephrine is administered off-label; racemic epinephrine may be unavailable in some regions.
Clinical Best Practices
- Utilize croup scoring systems to assess severity and guide treatment.
- Consider nebulized epinephrine for rapid relief in moderate-to-severe cases.
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