Definition of "spironolactone" []

• A steroid derivative, C24H32O4S, that blocks the action of aldosterone, used as a diuretic primarily in the treatment of hypertension. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A doctor may prescribe a low-dose antibiotic or a medication called spironolactone or Aldactone, which has antitestosterone properties that reduce oil production in the skin."
• "An old drug called spironolactone and a newer one called eplerenone can lower mortality for patients with severe heart failure, but they can also cause dangerous elevations in potassium levels."
• "For acne or excess hair growth, a water pill (diuretic) called spironolactone may be prescribed to help reverse these problems."