A potassium-sparing diuretic that blocks aldosterone receptors, helping remove excess fluid while retaining potassium. It's used for heart failure, high blood pressure, and conditions like PCOS due to its anti-androgenic effects.
From 'spiro-' (referring to its spiral steroid structure) + 'lactone' (a type of chemical ring). Developed in the 1950s as researchers sought diuretics that wouldn't cause dangerous potassium loss like other water pills.
Spironolactone has a fascinating double life - it's both a heart medication and a beauty treatment! While cardiologists use it to treat heart failure, dermatologists prescribe it for adult acne and hirsutism because it blocks testosterone-like hormones that cause oily skin and excess hair growth.
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