<p>Patients with prostatic hypertrophy or impairment of micturition have an increased risk of developing acute retention. A marked fall in blood pressure may be seen when ACE inhibitors are added to furosemide therapy. The toxic effects of nephrotoxic antibiotics may be increased by concomitant administration of potent diuretics such furosemide.<br />
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<strong>Driving a vehicle or performing other hazardous tasks</strong>: Some adverse effects (e.g. an undesirably pronounced fall in blood pressure) may impair the patient&#39;s ability to concentrate and react, and, therefore, constitute a risk in situations where these abilities are of special importance (e.g. operating a vehicle or machinery).</p>