Prescription Drugs
 contains or is another name for this drug.
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Furosemide (fyoor oh' se mide)
Other names: Lasix
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Why is this medication prescribed?

Furosemide, a 'water pill,' is used to reduce the swelling and fluid retention caused by various medical problems, including heart or liver disease. It is also used to treat high blood pressure. It causes the kidneys to get rid of unneeded water and salt from the body into the urine.

This medicine is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

How should this medication be used?

Furosemide comes as a tablet and liquid to take by mouth. It usually is taken once a day in the morning or twice a day in the morning and afternoon. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take furosemide exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Furosemide controls high blood pressure but does not cure it. Continue to take furosemide even if you feel well. Do not stop taking furosemide without talking to your doctor.

  • Lasix®
Last Revised January 04, 2003
American Society of Health-System Pharmacists
This information being provided is copyrighted by the American Society of Health-System Pharmacists, Inc., ASHP, Bethesda, Maryland.
©2009. All Rights Reserved.
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