Albuterol is a

Albuterol is a

• A. Antihistamine
• B. Bronchodilator
• C. Antibiotic
• D. Diuretic

Answer: (B)

Albuterol is a bronchodilator. It works by stimulating beta-2 adrenergic receptors in the smooth muscle of the airways, causing the muscles to relax and the bronchioles to widen. This rapid bronchodilation relieves bronchospasm in conditions like asthma or COPD, making it a common rescue inhaler. It’s not an antihistamine, antibiotic, or diuretic, which have different targets—antihistamines block histamine receptors, antibiotics fight infections, and diuretics remove excess fluid via the kidneys. Side effects can include tachycardia and tremors due to systemic beta-adrenergic stimulation, especially if absorbed in larger amounts.

Albuterol is a bronchodilator. It works by stimulating beta-2 adrenergic receptors in the smooth muscle of the airways, causing the muscles to relax and the bronchioles to widen. This rapid bronchodilation relieves bronchospasm in conditions like asthma or COPD, making it a common rescue inhaler. It’s not an antihistamine, antibiotic, or diuretic, which have different targets—antihistamines block histamine receptors, antibiotics fight infections, and diuretics remove excess fluid via the kidneys. Side effects can include tachycardia and tremors due to systemic beta-adrenergic stimulation, especially if absorbed in larger amounts.