Generic and Brand Names
- beclomethasone (Beclovent)
- budesonide (Pulmicort)
- ciclesonide (Alvesco)
- fluticasone (Flovent)
- triamcinolone (Azmacort)
Therapeutic Actions
Inhaled steroids cut the inflammatory response in the airway, which increases airflow and eases breathing. They also promote beta-adrenergic receptor activity, relaxing smooth muscle and blocking bronchoconstriction. Inhaled corticosteroids are the most effective long-term controller class for persistent asthma and the only drugs that reliably suppress the underlying airway inflammation (StatPearls).
Indications
Prevention and treatment of asthma, treatment of chronic steroid-dependent bronchial asthma, and addon therapy for asthma patients who do not respond to traditional bronchodilators.
Pharmacokinetics
Rapidly absorbed from the respiratory tract, but they take 2 to 3 weeks to reach effective levels.
Contraindications and Cautions
Not for emergencies. These are useless in an acute asthma attack or status asthmaticus. Avoid in pregnancy or lactation unless the benefit to the mother clearly outweighs the risk to the fetus or nursing baby. Use caution in any active respiratory infection, since blunting the inflammatory response can let a minor infection turn serious.
Adverse Effects
Irritability and headache (CNS); rebound congestion, epistaxis, and local infection (respiratory).
Nursing Considerations
Assessment
Screen for contraindications and cautions: acute asthmatic attack and drug allergy rule the drug out; systemic infection, pregnancy, or lactation call for caution. Get a baseline physical exam to judge effectiveness and catch adverse effects. Check temperature for infection, monitor blood pressure, pulse, and auscultation for cardiovascular response, and assess respirations and adventitious sounds to track effect. Inspect the nares for lesions that could open a route to systemic absorption.
Nursing Diagnoses
- Risk for injury related to immunosuppression
- Acute pain related to local effects of the drug
- Deficient knowledge regarding drug therapy
Implementation
Never give an inhaled steroid for an acute attack or status asthmaticus; it will not deliver the immediate relief the patient needs. Taper systemic steroids carefully during the switch to inhaled, because deaths have occurred from adrenal insufficiency on sudden withdrawal. If nasal congestion is blocking delivery, use decongestant drops first so the drug can penetrate. Have the patient rinse the mouth and spit after each use; this is the main defense against oral thrush (oropharyngeal candidiasis), the most common local adverse effect, and it also limits systemic absorption (StatPearls). Watch for any sign of respiratory infection: continued steroid use during an acute infection can cause serious complications from the depressed inflammatory and immune response. Teach the drug name and dose, how to avoid adverse effects, the warning signs to report, and the need for periodic monitoring. Stress that the drug only works if taken consistently, since it takes 2 to 3 weeks to reach and hold effective levels. Support the patient in coping with both the disease and the regimen.
Evaluation
Track response to the drug (improved breathing) and watch for adverse effects (nasal irritation, fever, GI upset). Confirm the patient can name the drug, dose, adverse effects to watch for, and how to avoid them, and monitor whether other breathing measures are working.
Frequently Asked Questions
Are inhaled steroids rescue inhalers? No. They are controllers that calm airway inflammation over weeks, not rescue drugs. They do nothing for an attack happening right now, so the patient still needs a fast-acting bronchodilator for acute symptoms.
How long until an inhaled steroid works? Plan on 2 to 3 weeks of consistent use before judging whether a given agent has failed. The benefit builds with daily dosing, so the drug only works if it is taken every day, even when the patient feels fine.
Why rinse the mouth after using an inhaled steroid? Rinsing and spitting after each dose is the main way to prevent oral thrush (oropharyngeal candidiasis), the most common local side effect, and it also reduces the small amount of drug that gets swallowed and absorbed (StatPearls).
Can inhaled steroids replace oral steroids? Often, but the switch has to be gradual. Taper systemic steroids slowly when moving to inhaled therapy, because deaths have occurred from adrenal insufficiency after abrupt withdrawal of oral steroids.
Are inhaled steroids still first-line for asthma? Yes. Inhaled corticosteroids are the most effective long-term controllers and the only class that reliably suppresses airway inflammation; current GINA guidance recommends that all adults and adolescents with asthma receive inhaled-corticosteroid-containing therapy rather than a short-acting bronchodilator alone (GINA 2024).
Are inhaled steroids safe in pregnancy? They are generally used only when the benefit to the mother clearly outweighs the risk to the fetus or nursing infant. Any decision should be made with the prescriber, who weighs asthma control against drug exposure.