Which statement reflects diuretic use in hypertension?

• A. HCTZ is often given in combo with other drugs due to fluid retention
• B. HCTZ is never combined
• C. Loops are first-line for mild HTN
• D. Spironolactone is the only diuretic used for HTN

Answer: (A)

Diuretics in hypertension are often used as part of combination therapy to achieve greater blood pressure lowering and to manage volume status. Thiazide diuretics like hydrochlorothiazide work by blocking NaCl reabsorption in the distal tubule, which increases sodium and water excretion and lowers plasma volume. While that diuresis helps reduce BP, the best long-term control usually comes from combining a diuretic with another antihypertensive agent that acts through a different mechanism (for example, an ACE inhibitor, ARB, or calcium channel blocker). This combination takes advantage of complementary effects and can enhance efficacy while balancing adverse effects.

So, hydrochlorothiazide being commonly added to other drugs to help manage fluid status and boost BP reduction reflects how diuretics are used in practice. The other statements don’t fit: loop diuretics aren’t first-line for mild hypertension and are typically reserved for edema or heart failure; hydrochlorothiazide is not never combined; and spironolactone is not the only diuretic used for hypertension—others like chlorthalidone and indapamide are also common, and spironolactone is often used in resistant HTN rather than as the sole diuretic option.