fu·​ro·​se·​mide fyu̇-ˈrō-sə-ˌmīd How to pronounce furosemide (audio)
: a powerful diuretic C12H11ClN2O5S used especially to treat edema and hypertension

Examples of furosemide in a Sentence

Recent Examples on the Web Examples of diuretic medication include hydrochlorothiazide or furosemide. Michael Schuh Pharm.d., Anchorage Daily News, 2 Sep. 2023 Lasix, also known as furosemide, an anti-bleeding medication, is used by veterinarians in horse racing to prevent respiratory bleeding in horses that are running at high speed. Jason Gonzalez, The Courier-Journal, 3 May 2022 Some, especially the thiazide class (including HCTZ and chlorthalidone) and loop diuretics (such as furosemide), can cause potassium loss, while others, such as triamterene and spironolactone, raise the serum potassium level. Dr. Keith Roach, oregonlive, 25 Apr. 2022 Spironolactone and furosemide generally have minimal effects on blood sugar. Dr. Keith Roach, oregonlive, 14 Jan. 2022 Finally, very high doses (usually 80 mg or more) of furosemide can increase thyroxine levels of the blood. Dr. Keith Roach, oregonlive, 26 June 2021 Lasix, or furosemide, is used to prevent respiratory bleeding—blood entering a horse’s lungs during physical activity. Jim Chairusmi, WSJ, 1 May 2021 Kentucky began a partial elimination of race-day Lasix, the trade name for furosemide, with 2-year-old races in 2020. Jason Frakes, The Courier-Journal, 21 Apr. 2021 That time, Cano was caught using furosemide, a diuretic better known as Lasix, which is frequently used as a masking agent for performance-enhancing drugs. Tyler Kepner, New York Times, 18 Nov. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'furosemide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


furfural + -o- + sulf- + -emide, probably alteration of amide

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of furosemide was in 1965

Dictionary Entries Near furosemide

Cite this Entry

“Furosemide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/furosemide. Accessed 17 Apr. 2024.

Medical Definition


fu·​ro·​se·​mide fyu̇-ˈrō-sə-ˌmīd How to pronounce furosemide (audio)
: a powerful diuretic C12H11CIN2O5S used especially to treat edema

called also frusemide, fursemide

see lasix
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