Recommended Breathing Treatments to Help Clear Lungs
The recommended breathing treatment to help clear lungs is nebulized bronchodilator therapy, specifically using beta-agonists such as salbutamol (5 mg) or terbutaline (10 mg), which may be combined with ipratropium bromide (500 μg) in more severe cases. 1
Nebulizer Treatment Protocols
Standard Administration Technique
- Nebulizer treatments should last 5-10 minutes, continuing until about one minute after "spluttering" occurs rather than until complete dryness 2
- Patients should tap the nebulizer cup towards the end of treatment to ensure maximum medication delivery 2
- Most nebulizers work effectively with drug volumes of 2-5 ml; if the system has a residual volume >1.0 ml, the drug volume should be made up with 0.9% sodium chloride to a minimum of 4.0 ml 1
- Patients should breathe as calmly, deeply, and evenly as possible until no more mist is formed in the nebulizer chamber (about 5-15 minutes) 3, 4
Medication Selection Based on Condition
For Asthma:
- For acute severe asthma: Nebulized beta-agonist (salbutamol 5 mg or terbutaline 10 mg) 1, 2
- If poor response: Add ipratropium bromide 500 μg to the beta-agonist 1, 2
- Repeat treatments 4-6 hourly until peak expiratory flow (PEF) >75% predicted normal or best 1
For COPD:
- For mild exacerbations: Bronchodilators via hand-held inhaler (salbutamol 200-400 μg or terbutaline 500-1000 μg) 1
- For more severe cases: Nebulized salbutamol (2.5-5 mg) or terbutaline (5-10 mg) or ipratropium bromide (500 μg) given 4-6 hourly 1
- Combined treatment (beta-agonist with ipratropium bromide) should be considered in severe cases, especially with poor response to either treatment alone 1, 5
Special Considerations
- For patients with carbon dioxide retention and acidosis, nebulizers should be driven by air rather than high-flow oxygen 1
- Beta-agonists may rarely precipitate angina in elderly patients; first treatment should be supervised 1
- For patients with glaucoma using ipratropium, a mouthpiece rather than mask should be considered to prevent eye contact with medication 1
Additional Treatments for Specific Conditions
For Tenacious Secretions:
- Normal saline (0.9% sodium chloride, 5 ml six hourly) may be tried to loosen tenacious secretions, though supporting evidence is limited 1
For Cystic Fibrosis and Severe Bronchiectasis:
- Nebulized antibiotics may be considered, but treatment should be supervised by appropriate hospital specialists 1
For Non-Productive Cough:
- Local anesthetics such as 2% lignocaine (2-5 ml) or 0.25% bupivacaine (2-5 ml) may be indicated, particularly if due to large airway tumor or bronchial stent 1
- Pretreatment with a beta-agonist is recommended to prevent bronchospasm 1
- Patients should avoid eating or drinking for about an hour after treatment due to reduced cough reflex sensitivity 1
Delivery Method Considerations
- While nebulizers are traditionally used for acute severe cases, metered-dose inhalers with valved holding chambers (MDI+VHC) can be equally effective for delivering bronchodilators in many situations 6, 7
- MDI+VHC offers practical advantages including home use capability, portability, less setup time, and no need for daily disinfection 6
Common Pitfalls and Caveats
- Using dryness as an endpoint for nebulization can lead to excessive treatment duration; instead, continue until about one minute after "spluttering" occurs 2
- Failure to properly maintain nebulizer equipment can reduce treatment efficacy; disposable components should be changed every 3-4 months and compressors serviced annually 1
- Administering nebulized medications without proper assessment of the underlying condition may lead to inappropriate treatment; a proper diagnosis should guide therapy 1
- Not monitoring oxygen saturation during nebulizer treatments, particularly in patients with severe respiratory compromise 1