Lasix
Overview
- About Lasix
Why should Lasix not be prescribed?
Return to topIf you are sensitive to or have ever had an allergic reaction to Lasix or diuretics, or if you are unable to urinate, you should not take this medication.
Special warnings about Lasix
Return to topLasix can cause your body to lose too much potassium. Signs of an excessively low potassium level include muscle weakness and rapid or irregular heartbeat. To improve your potassium level, your doctor may prescribe a potassium supplement or recommend potassium-rich foods, such as bananas, raisins, and orange juice.
Make sure the doctor knows if you have kidney disease, liver disease, diabetes, gout, or the connective tissue disease, lupus erythematosus. Lasix should be used with caution.
If you are allergic to sulfa drugs, you may also be allergic to Lasix.
If you have high blood pressure, avoid over-the-counter medications that may increase blood pressure, including cold remedies and appetite suppressants.
Your skin may be more sensitive to the effects of sunlight.
Possible food and drug interactions when taking Lasix
Return to topIf Lasix is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to consult with your doctor before taking Lasix with any of the following:
- Aminoglycoside antibiotics such as gentamicin
- Aspirin and other salicylates
- Ethacrynic acid
- Indomethacin
- Lithium
- Norepinephrine
- Other high blood pressure medications such as terazosin and doxazosin
- Sucralfate
Special information if you are pregnant or breastfeeding
Return to topThe effects of Lasix during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, inform your doctor immediately. Lasix appears in breast milk and could affect a nursing infant. If this medication is essential to your health, your doctor may advise you to discontinue breastfeeding until your treatment is finished.
Recommended dosage for Lasix
Return to topYour doctor will adjust the dosages of this strong diuretic to meet your specific needs.






