ED: emergency department; ETT: endotracheal tube; IM: intramuscular; IV: intravenous; PICU: pediatric intensive care unit.
* Signs of impending respiratory failure include: fatigue and listlessness, profound retractions, decreased or absent breath sounds, depressed level of consciousness, tachycardia out of proportion to fever (note that tachycardia may also be caused by epinephrine), and/or poor color (cyanosis or pallor).
¶ The oral liquid preparation of dexamethasone (1 mg/mL) has a foul taste. Solutions for injection are more concentrated (4 mg/mL or 10 mg/mL) and can be given orally mixed with syrup. Alternatively, oral tablets can be crushed and mixed with syrup or pureed food.
Δ Dosing and administration are as follows:
Administer by nebulizer over 15 minutes. Use of either product is acceptable and may be determined by availability and institutional protocol. Nebulized epinephrine has an onset of effect within 10 minutes. Refer to UpToDate topic on management of croup for additional details.
◊ A single dose of nebulized budesonide, if available, may provide an alternative to IM or IV dexamethasone for children with vomiting and no IV access.
§ For children requiring inpatient admission for croup, the level of care (inpatient ward versus PICU) is determined by croup severity. PICU care is warranted for children with any of the following:¥ Poor response to nebulized epinephrine in conjunction with high fever and toxic appearance should prompt consideration of bacterial tracheitis. Refer to UpToDate topic on evaluation and diagnosis of croup for a guide to the differential diagnosis.
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