What is the role of diuretics in COPD management?

• A. They help manage fluid overload associated with cor pulmonale
• B. They treat infection
• C. They reduce mucus production
• D. They prevent hypoxemia

Answer: (B)

In COPD, diuretics are used to manage fluid overload from cor pulmonale (right-sided heart failure due to chronic lung disease). By promoting sodium and water excretion, they reduce preload and edema, which can relieve breathlessness and peripheral swelling. They do not treat infection, do not directly reduce mucus production, and they do not prevent hypoxemia. Use with caution to avoid dehydration and electrolyte disturbances, and monitor closely when combining with other COPD therapies.