Question

Write short note on Pharmacotherapy of COPD and add a note on $\beta -agonists$. (Pharmacology - lll)

Answer 1

Answer:

Pharmacotherapy of COPD (Chronic Obstructive Pulmonary Disease) include bronchodilators.

Explanation:

Chronic obstructive pulmonary disease (COPD) is a respiratory disease characterized by chronic airway inflammation.

The drugs given for COPD include bronchodilators and corticosteroids.

Bronchodilators - These are drugs that relaxes the airway smooth muscles.

It includes β2-agonists and anticholinergics like ipratropium, tiotropium.

Note on β2-agonists

β2-agonists - These are drugs that causes smooth muscle relaxation of bronchi by stimulating -adrenergic receptors.

They are two types

1. Short acting lasts 4–6 hours Examples: Salbutamol, terbutaline, and fenoterol

2. Long acting last last for 12 hours Examples: Salmeterol and formoterol.

Hope this helps.