Nebulization in Pediatric Respiratory Conditions

Asthma Management in Children

The European Respiratory Society recommends that hand-held inhalers with spacers are as effective as nebulizers and should be the preferred delivery method for children with asthma, reserving nebulizers for situations where inhaler technique cannot be mastered or during severe acute exacerbations 1, 2, 3, 4, 5
For long-term asthma control, hand-held inhalers are as effective as nebulizers, making it unusual for a child to require long-term nebulized therapy 1, 2, 3, 4, 5
During acute severe asthma exacerbations, nebulizers may be appropriate when rapid delivery of high-dose bronchodilators is needed and the child cannot coordinate inhaler use due to respiratory distress 1, 2, 3, 4, 5
Nebulized beta-2 agonists (salbutamol/albuterol) at 0.15 mg/kg should be administered with high-flow humidified oxygen as the driving gas 7
Adding anticholinergic therapy (ipratropium 250 μg every 6 hours) in severe asthma is beneficial and should be considered if response to beta-agonists alone is inadequate 1, 2, 3, 4, 5, 7

The European Respiratory Society and Chest guidelines recommend against the use of nebulized saline (both normal and hypertonic) in bronchiolitis, as it has not been shown to improve clinical outcomes and may cause adverse effects 1, 2, 3, 6, 4, 5
Nebulized beta-2 agonists, ribavirin, and corticosteroids have not consistently shown benefit in bronchiolitis and are not recommended pending further trial data 1, 2, 3, 4, 5
The 2018 Chest guidelines specifically recommend against inhaled osmotic agents (including hypertonic saline) for children with chronic cough after bronchiolitis 6
Focus on supportive care, assessing hydration, providing supplemental oxygen if SpO2 falls persistently below 90%, and monitoring for respiratory distress 8
Do not use nebulized medications, including bronchodilators, corticosteroids, or saline solutions 1, 2, 3, 6, 4, 5, 8

For children with chronic cough (>4 weeks) after acute viral bronchiolitis, manage according to Chest pediatric chronic cough guidelines rather than continuing bronchiolitis-specific treatments 6
Evaluate for cough pointers (coughing with feeding, digital clubbing) 6
Consider 2 weeks of antibiotics targeted to common respiratory bacteria (S. pneumoniae, H. influenzae, M. catarrhalis) for wet/productive cough without specific pointers 6
Do not use asthma medications unless other evidence of asthma is present (recurrent wheeze, dyspnea responsive to beta-2 agonists) 6
Do not use inhaled osmotic agents 6

Nebulized antibiotics benefit selected patients with cystic fibrosis 1, 2, 3, 4, 5
Nebulized rhDNase shows benefit in selected patients during medium-term treatment 1, 2, 3, 4, 5
Nebulized therapy should be reserved for situations where it has been shown to be the best or only way to administer a given drug 1, 2, 3, 4, 5

Do not extrapolate asthma treatment protocols to bronchiolitis - these are different pathophysiologic processes requiring different management 6, 8
Do not continue nebulized saline in bronchiolitis based on older research - the most recent high-quality evidence shows no benefit and potential harm 6
Do not use nebulizers when spacers with face masks would be equally effective - this applies to most pediatric asthma cases 1, 2, 3, 4, 5
Avoid using water as a diluent as it may cause bronchoconstriction when nebulized 9