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Inhalation Medication Administration

4 min read

Inhalation Medication Administration

Key Points

  • Inhalation route delivers medication directly to the respiratory tract for rapid local effect.
  • Delivery forms include nebulizers and hand atomizers (MDI, DPI, soft-mist inhalers), and device selection depends on patient coordination ability.
  • Correct inhaler technique requires coordinated actuation with slow deep inhalation and a breath hold.
  • DPI devices are breath-actuated, do not typically need a spacer, and require sufficiently forceful inhalation.
  • Soft-mist inhalers deliver medication without a propellant and generally do not require a spacer.
  • Nebulizer therapy can be useful when patients have difficulty coordinating handheld inhaler breaths.
  • Perform and document respiratory assessment before and after administration (RR, SpO2, HR, lung sounds, respiratory effort).
  • Nebulizer therapy usually continues until visible mist stops, commonly around 10 to 15 minutes (device/dose dependent).
  • When multiple inhaled drugs are ordered, common sequence is bronchodilator first and corticosteroid last to improve downstream deposition.
  • Aerosol deposition varies by device type and patient technique; breath-actuated or vibrating-mesh nebulizer designs may improve lung deposition in selected settings.

Equipment

  • Ordered inhalation medication
  • Inhalation device (metered-dose inhaler and/or nebulizer)
  • Spacer device when indicated
  • Gloves
  • Oxygen setup and flowmeter for nebulizer delivery (per protocol)
  • MAR and documentation access
  • Device dose-counter status (when available) to anticipate refill timing

Procedure Steps

  1. Verify patient identity, medication, dose, inhalation route, and scheduled timing.
  2. For combination inhalers, verify each component strength against the order (for example salmeterol/fluticasone products with multiple strength options).
  3. Perform hand hygiene, apply gloves, and complete medication rights checks.
  4. Perform and document baseline respiratory assessment (respiratory rate, oxygen saturation, heart rate, lung sounds, respiratory effort).
  5. For nebulizer administration, place medication in the nebulizer cup using clean/sterile no-touch technique for the cup interior and position the patient in high Fowler (head of bed about 60 to 90 degrees) when tolerated.
  6. Connect nebulizer to oxygen/air source per protocol; for oxygen-driven setups, use manufacturer-recommended flow (commonly 6 to 10 L/min) and confirm visible misting.
  7. Apply mouthpiece or mask; prefer mouthpiece when possible, and use mask for young children or older adults who cannot maintain mouthpiece seal.
  8. Coach slow, deep oral breaths with brief pauses before exhale; for dyspnea, consider periodic breath-hold coaching per protocol.
  9. Continue treatment until nebulization is complete and visible mist stops (often about 10 to 15 minutes, depending on device and dose).
  10. Remain with the patient during nebulizer treatment and monitor for tolerance changes.
  11. During bronchodilator nebulization, monitor heart rate/rhythm for tachycardia or palpitations and monitor tolerance.
  12. After nebulizer treatment, turn off flowmeter if not otherwise needed for oxygen therapy, then disconnect equipment.
  13. Encourage cough/deep breathing and oral care after treatment, then re-assess and document respiratory response.
  14. For MDI administration, shake inhaler, attach spacer if ordered, and instruct full exhalation before actuation.
  15. Seal lips on mouthpiece (or hold inhaler about 1 to 2 inches from mouth when spacer is not used), actuate with inhalation, and coach slow inhalation over about 3 to 5 seconds.
  16. Instruct breath-hold for about 5 to 10 seconds, then slow exhalation; repeat puffs per order with prescribed interval (commonly about 1 to 5 minutes between puffs unless product/order differs).
  17. For corticosteroid inhalers, instruct rinse/spit (or brush/rinse/spit) after use and avoid swallowing rinse water.
  18. For DPI regimens, coach a quick, forceful inhalation after dose activation for at least about 2 to 3 seconds and avoid spacer attachment.
  19. For DPI use, coach full exhalation away from the device before inhalation to avoid powder clumping.
  20. After DPI inhalation, coach breath-hold for about 10 seconds (or as tolerated) before exhaling through pursed lips.
  21. For soft-mist inhalers, avoid blocking side vents while inhaling.
  22. Keep DPI devices dry and teach humidity exposure can alter powder delivery performance.
  23. When multiple inhaled medications are ordered, administer in sequence unless otherwise ordered: bronchodilator → dornase alfa → cough/deep-breathe clearance → inhaled antibiotic → inhaled steroid.
  24. Clean inhalers and spacers regularly; clean nebulizer after each use, disinfect at least weekly, and allow components to air-dry.
  25. Observe self-administration technique during teach-back/return demonstration and reinforce corrections in real time.
  26. Document medication, route/device, dose timing, patient tolerance, and reassessment findings.

Common Errors

  • Poor inhaler timing between actuation and inhalation → reduced lung deposition.
  • No breath-hold after inhalation → reduced medication delivery efficiency.
  • Skipping dose interval timing for repeated puffs → inconsistent therapeutic response.
  • Inadequate nebulizer cleaning → contamination and device-performance risk.
  • Leaving a high-risk patient unattended during nebulizer treatment → delayed detection of intolerance or adverse effects.

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