Albuterol

Question 1

Class

Answer 1

1. Beta ₂ Agonist
2. Sympathomimetic

Question 2

Mechanism of Action

Answer 2

Beta ₂ receptors sites in the lungs, relaxing bronchial smooth muscle, decreasing airway resistance, & relief of bronchospasm

Question 3

Indications

Answer 3

1. Bronchial asthma
2. Bronchospasm in acute exacerbation of COPD (chronic bronchitis, emphysema)

Question 4

Contraindications

Answer 4

Known hypersensitivity

Question 5

Dosage

Answer 5

MDI — 1-2 inhalations, 1 minute each, repeat every 15 minutes as needed

Question 6

Onset

Answer 6

5-15 minutes after inhalation, usually with some prompt improvement

Question 7

Side effects

Answer 7

Mostly sympathetic responses including:
1. Palpations, tachycardia
2. Anxiety, nervousness
3. Dizziness
4. HA
5. Tremor
6. N/V