How is albuterol administered to patients with asthma?

Updated: Jan 07, 2019
  • Author: Michael J Morris, MD, FACP, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

Albuterol is administered 2.5-5 mg every 20 minutes for 3 doses, then 2.5-10 mg every 1-4 hours as needed; dilution of 2.5 mg in 3-4 mL of saline or use of premixed nebules is standard. Oxygen or compressed air delivery of the inhaled beta agonists should be at a rate of 6-8 L/min. For children, use 0.15 mg/kg (minimum dose 2.5 mg) every 20 minutes for 3 doses, then 0.15-0.3 mg/kg up to 10 mg every 1-4 hours as needed.

An equivalent method of beta-agonist delivery in mild-to-moderate exacerbations is the metered-dose inhaler (MDI) used in conjunction with a spacer or holding chamber. For severe exacerbations, it is less clear if nebulized versus MDI/spacer delivery is truly equivalent. Each puff delivers a standard 90 μg of albuterol. The dose is 4-8 puffs every 20 minutes up to 4 hours, then every 1-4 hours as needed. A potential advantage of the MDI/holding chamber is that it requires little or no assistance from the respiratory therapist once the patient understands how to use the medication; the patient can be discharged from the ED with the same spacer and albuterol canister. This modality is especially effective in areas where patients may be unable to afford their inhaled beta agonists.


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