Albuterol

Nursing pharmacology study reference (NCLEX-style monograph). Numeric values are standard teaching ranges for study and must be verified against current manufacturer labeling before clinical use. This is educational content, not prescribing guidance.

Albuterol (brand names ProAir, Ventolin) — Bronchodilator; Short-acting beta-2 agonist (SABA).

Identification

• Therapeutic class: Bronchodilator.
• Pharmacologic class: Short-acting beta-2 agonist (SABA).

Pharmacology

• Mechanism of action: Stimulates beta-2 receptors in bronchial smooth muscle to cause rapid bronchodilation.
• Onset / peak / duration: Onset 5 to 15 minutes; peak 30 to 60 minutes; duration 3 to 6 hours.
• Half-life / therapeutic level: Half-life 3 to 6 hours; no routine level.

Clinical use

• Indications: Acute bronchospasm, asthma, COPD, exercise-induced bronchospasm; rescue inhaler.
• Usual dose, route, frequency: Inhaler 2 puffs every 4 to 6 hours as needed; nebulized 2.5 mg.
• Maximum dose / adjustments: Frequent use signals poor control; overuse causes tachycardia and tremor.

Safety

• Contraindications: Hypersensitivity; caution with arrhythmias and hyperthyroidism.
• Black box warning: None.
• Interactions: Beta blockers (antagonize effect), other sympathomimetics, MAO inhibitors and tricyclics, diuretics (hypokalemia).
• Pregnancy / lactation: Preferred reliever in pregnancy.
• High-alert: No.

Adverse effects

• Common side effects: Tremor, tachycardia, nervousness, palpitations.
• Serious effects to report: Paradoxical bronchospasm, chest pain, severe tachycardia.
• Antidote / reversal: Supportive care.

Nursing process

• Assessment before administration: Lung sounds, respiratory rate, heart rate, oxygen saturation.
• Interventions during therapy: Give the bronchodilator before an inhaled steroid; assess relief.
• Monitor: Respiratory status, heart rate, frequency of use, potassium with heavy use.
• Evaluation / expected outcome: Improved breathing and lung sounds.

Patient teaching

• Patient teaching: This is a rescue inhaler; report needing it more than usual.
• Notify provider if: Using it more frequently, no relief, chest pain.
• Administration tips: Shake, prime, use a spacer, rinse not required but helpful; inhaler before steroid.