NCC Officers' Training Academy
GWALIOR (Est 1965)

Lasix

What is Lasix?

Lasix is a loop diuretic (water pill) that prevents your body from absorbing too much salt, causing it to be passed in your urine. Lasix treats fluid retention (edema) in people with congestive heart failure, liver disease, or kidney disorders such as nephrotic syndrome.

Lasix is also used to treat high blood pressure (hypertension).

Lasix side effects

Get emergency medical help if you have signs of an allergic reaction to Lasix (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (feversore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).

Lasix may cause serious side effects. Call your doctor at once if you have:

  • a light-headed feeling, like you might pass out;

  • ringing in your ears, hearing loss;

  • muscle spasms or contractions;

  • pale skin, easy bruising, unusual bleeding;

  • high blood sugar – increased thirst, increased urination, dry mouth, fruity breath odor;

  • kidney problems – swelling, urinating less, feeling tired or short of breath

  • signs of liver or pancreas problems – loss of appetite, upper stomach pain (that may spread to your back), nausea or vomiting, dark urine, jaundice (yellowing of the skin or eyes); or

  • signs of an electrolyte imbalance – increased thirst or urination, constipation, muscle weakness, leg cramps, numbness or tingling, feeling jittery, fluttering in your chest.

Common Lasix side effects may include:

  • diarrhea, constipation, loss of appetite;

  • numbness or tingling;

  • headache, dizziness; or

  • blurred vision.

Before taking this medicine

You should not use Lasix if you are allergic to furosemide, if you are unable to urinate or have hepatic cirrhosis.

To make sure Lasix is safe for you, tell your doctor if you have ever had:

  • an electrolyte imbalance (such as low levels of potassium or magnesium in your blood);

  • enlarged prostate, bladder obstruction, or other urination problems;

  • gout;

  • lupus;

  • diabetes;

  • an allergy to sulfa drugs;

  • kidney disease; or

  • cirrhosis or other liver disease.

Tell your doctor if you have an MRI (magnetic resonance imaging) or any type of scan using a radioactive dye that is injected into a vein. Contrast dyes and furosemide can harm your kidneys.

It is not known if furosemide will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It may not be safe to breastfeed while using Lasix. Ask your doctor about any risk. Lasix may slow breast milk production.

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