You should not use furosemide if you are unable to urinate.
Do not take more than your recommended dose. High doses of furosemide may cause irreversible hearing loss.
Before using furosemide, tell your doctor if you have kidney disease, enlarged prostate, urination problems, cirrhosis or other liver disease, an electrolyte imbalance, high cholesterol, gout, lupus, diabetes, or an allergy to sulfa drugs.
Tell your doctor if you have recently had an MRI (magnetic resonance imaging) or any type of scan using a radioactive dye that is injected into your veins. Do not take more of this medication than is recommended.
If you are being treated for high blood pressure, keep using this medication even if you feel fine. High blood pressure often has no symptoms.
Before taking this medicine
You should not use furosemide if you are allergic to it, or if you are unable to urinate.
Tell your doctor if you have ever had:
kidney disease;
enlarged prostate, bladder obstruction, urination problems;
cirrhosis or other liver disease;
an electrolyte imbalance (such as low levels of potassium or magnesium in your blood);
gout;
lupus;
diabetes; or
a sulfa drug allergy.
Tell your doctor if you have an MRI (magnetic resonance imaging) or any type of scan using a radioactive dye that is injected into your veins. Both contrast dyes and furosemide can harm your kidneys.
It is not known whether this medicine 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 this medicine. Ask your doctor about any risk. Furosemide may slow breast milk production.
