[Verse 1] When edema won’t let go, when fluid builds below, you reach for the vet med list, and learn the way they work. Furosemide moves fast, up in the loop, it asks: “Give me salt, give me water,” then the kidneys do the rest. [Pre-Chorus] It blocks that Na-K-2Cl, in the thick ascending limb, more sodium out the door, and water follows in. [Chorus] Furosemide, Lasix, Salix, furosemide, Lasix, Salix. Fast diuresis, big fluid loss, fast diuresis, big fluid loss. Spironolactone, Aldactone, spironolactone, Aldactone. Potassium stays, aldosterone falls, potassium stays, aldosterone falls. [Verse 2] Use furosemide for heart failure, pulmonary edema, ascites too, pleural fluid, kidney overload, when you need that urine through. Watch for low potassium, dehydration, low blood pressure, ototoxicity can show up, and renal function may worsen. [Pre-Chorus] If the patient’s getting weak, check electrolytes today, because the stronger the push, the more you must be safe. [Chorus] Furosemide, Lasix, Salix, furosemide, Lasix, Salix. Fast diuresis, big fluid loss, fast diuresis, big fluid loss. Spironolactone, Aldactone, spironolactone, Aldactone. Potassium stays, aldosterone falls, potassium stays, aldosterone falls. [Bridge] Spironolactone works at the end, blocks aldosterone’s command, less sodium saved, less potassium lost, a softer, slower hand. Great for hyperaldosteronism, heart failure, fluid control, can cause hyperkalemia, and endocrine side effects too. [Final Chorus] Furosemide, Lasix, Salix, furosemide, Lasix, Salix. Loop diuretic, quick and strong, loop diuretic, quick and strong. Spironolactone, Aldactone, spironolactone, Aldactone. Potassium stays, aldosterone falls, potassium stays, aldosterone falls. Loop one pulls, potassium falls, potassium-sparing keeps it all. Know the site, know the risk, now you’ve got the vet med gist.
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