information on medication lasix
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GENERIC NAME: furosemide
BRAND NAME: Lasix
DRUG CLASS AND MECHANISM: Furosemide is a potent diuretic
(water pill) that is used to eliminate water and salt from the body. In
the kidneys, salt (composed of sodium and chloride), water, and other
small molecules normally are filtered out of the blood and into the
tubules of the kidney. The filtered fluid ultimately becomes urine. Most
of the sodium, chloride and water that is filtered out of the blood is
reabsorbed into the blood before the filtered fluid becomes urine and is
eliminated from the body. Furosemide works by blocking the absorption
of sodium, chloride, and water from the filtered fluid in the kidney
tubules, causing a profound increase in the output of urine (diuresis).
The onset of action after oral administration is within one hour, and
the diuresis lasts about 6-8 hours. The onset of action after injection
is five minutes and the duration of diuresis is two hours. The diuretic
effect of furosemide can cause depletion of sodium, chloride, body water
and other minerals. Therefore, careful medical supervision is necessary
during treatment. The FDA approved furosemide in July 1982
see more for the lasix
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease. This can lessen symptoms such as shortness of breath and swelling in your arms, legs, and abdomen.
This drug is also used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.
Furosemide
is a "water pill" (diuretic) that causes you to make more urine. This
helps your body get rid of extra water and salt.
OTHER USES: This
section contains uses of this drug that are not listed in the approved
professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.
This medication may also be used to decrease a high level of calcium in the blood (hypercalcemia).
How to use Lasix
Read
the Patient Information Leaflet if available from your pharmacist
before you start taking furosemide and each time you get a refill. If
you have any questions, ask your doctor or pharmacist.
Take this medication by mouth
as directed by your doctor, with or without food, usually once or twice
daily. It is best to avoid taking this medication within 4 hours of
your bedtime to prevent having to get up to urinate.
Dosage is based on your medical condition, age, and response to treatment. For children, the dose is also based on weight.
Older adults usually start with a lower dose to decrease the risk of
side effects. Do not increase your dose or take it more often than
directed.
Take this medication regularly in order to get the most
benefit from it. To help you remember, take it at the same time(s) of
the day as directed. It is important to continue taking this medication
even if you feel well. Most people with high blood pressure do not feel sick.
Sucralfate, cholestyramine, and colestipol
can decrease the absorption of furosemide. If you are taking any of
these drugs, separate the timing of each dose from furosemide by at
least 2 hours.
Tell your doctor if your condition does not improve or if it worsens (for example, your blood pressure readings remain high or increase).
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