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Furosemide
Pronounced fur-OH-se-mide
Brand names: Lasix
Type: Loop diuretic (water pill) · All Heart & Blood Pressure Medicines
What Furosemide is used for
- Fluid buildup in heart failure
- Fluid buildup from kidney or liver disease
- High blood pressure
◆ Kidney note
Works at the kidney itself; people with kidney disease often need it, and the dose is adjusted to kidney function and fluid status.
Common side effects
- Frequent urination
- Dizziness
- Muscle cramps
- Low potassium symptoms
- Dehydration
Important cautions
- Can cause dehydration and drops in potassium and magnesium — blood tests are monitored
- Very high amounts can affect hearing, especially given by vein in hospital
How it comes
Tablets, liquid, injection (hospital). This guide lists forms only — it never lists strengths or doses.
Related medicines — Heart & Blood Pressure Medicines
Condition guides on MedicalVideos.com
- High Blood Pressure (Hypertension) — videos, articles and guides · medicines for high blood pressure (hypertension)
- Dialysis — videos, articles and guides · medicines for dialysis
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.