Product image of Lasix (Furosemide) supplied by GNH India

Lasix

Active Ingredient:
Furosemide
Origin:
EU

Lasix (Furosemide)

Furosemide, the active ingredient in Lasix, is a loop diuretic presented as an injection for intravenous use. It is employed to manage fluid overload and hypertension in adult patients with congestive heart failure, hepatic cirrhosis, renal disease, or other conditions causing edema.

GNH India supplies Lasix as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, transplant centres, oncology centres, pharmacies and clinics worldwide. The company ensures quality assurance, regulatory compliance, and reliable cold‑chain logistics for this injectable product. Customers benefit from consistent batch release and on‑time delivery across European and global markets.

Manufacturer / TM Owner

Sanofi Belgium

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Indications & Clinical Uses

Lasix (furosemide) acts on the renal loop of Henle to promote diuresis, making it useful for several fluid‑retention conditions.

  • Congestive heart failure edema: reduces excess fluid, relieving breathlessness and peripheral swelling.
  • Hepatic cirrhosis edema: decreases ascites and peripheral edema associated with liver disease.
  • Renal disease edema: facilitates removal of fluid in nephrotic or chronic kidney conditions.
  • Hypertension: lowers blood pressure by reducing plasma volume.

How It Works

  • Furosemide inhibits the Na⁺/K⁺/2Cl⁻ cotransporter in the thick ascending limb of the loop of Henle. Blocking this transporter prevents reabsorption of sodium, chloride, and potassium, leading to increased urinary excretion of these ions together with water. The resulting natriuresis and diuresis reduce extracellular fluid volume and lower blood pressure.

Side Effects

Furosemide may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Increased urination: frequent or large‑volume urine output.
  • Dizziness or light‑headedness: related to volume depletion.
  • Electrolyte imbalance: low potassium, sodium or magnesium levels.

Serious or Rare Side Effects

  • Severe electrolyte depletion: may cause cardiac arrhythmias.
  • Ototoxicity: hearing loss or ringing, especially at high doses.
  • Acute renal failure: sudden decline in kidney function.

Precautions & Warnings

When using Lasix, careful monitoring and patient assessment are essential.

  • Monitor electrolytes: check serum potassium, sodium and magnesium regularly.
  • Assess renal function: evaluate creatinine and eGFR before and during therapy.
  • Use caution in hypotension: adjust dose or discontinue if blood pressure falls markedly.
  • Adjust dose in hepatic impairment: patients with cirrhosis may require lower doses.
  • Avoid abrupt discontinuation: taper to prevent rapid fluid shift.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze.

Avoid Interactions

Furosemide can interact with several drug classes, requiring attention to avoid adverse outcomes.

Major Interactions (Avoid)

  • NSAIDs: may reduce diuretic efficacy.
  • Aminoglycoside antibiotics: increase risk of ototoxicity.
  • Lithium: furosemide can raise lithium levels, risking toxicity.

Moderate Interactions (Monitor Closely)

  • ACE inhibitors or ARBs: additive blood pressure lowering, monitor for hypotension.
  • Thiazide diuretics: combined use may cause excessive electrolyte loss.
  • Antihypertensive agents: may enhance hypotensive effect.

Frequently Asked Questions

Lasix is the brand name for the injectable form of furosemide, a loop diuretic used to treat fluid overload conditions such as edema associated with congestive heart failure, hepatic cirrhosis, renal disease, and to help lower blood pressure in hypertension.

Furosemide works by blocking the Na⁺/K⁺/2Cl⁻ cotransporter in the thick ascending limb of the loop of Henle. This inhibition stops reabsorption of sodium, chloride, and potassium, causing increased urinary excretion of these ions and water, which reduces extracellular fluid volume.

The dose of Lasix is individualized by the prescribing clinician based on the patient’s medical condition, severity of fluid retention, renal function, and response to therapy. Dosage adjustments may be needed for elderly patients, those with liver disease, or when used with other medications.

The safety of Lasix in pregnancy and lactation is not well established, and the pregnancy category is listed as unknown. Healthcare providers weigh potential benefits against risks, and it is generally used only when clearly needed under close medical supervision.

To order Lasix, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including cold‑chain where required) and import documentation.

Lasix belongs to the loop diuretic class, which is more potent than thiazide or potassium‑sparing diuretics for removing large volumes of fluid. It acts earlier in the nephron, producing a rapid and strong diuretic effect, making it the preferred choice for acute edema and severe hypertension.

Lasix injection should be stored at 2‑8 °C, kept refrigerated, protected from light, and must not be frozen or shaken. Maintain the cold‑chain during transport and avoid exposing the product to temperatures outside the recommended range to preserve stability.

Lasix is administered intravenously by a healthcare professional. The injection is given directly into a vein, usually as a slow push or infusion, depending on the clinical situation and the prescribed dose. Administration settings include hospitals, clinics, and other medical facilities.

Serious risks include severe electrolyte depletion leading to cardiac arrhythmias, ototoxicity (especially at high doses), and acute renal failure. Patients should be monitored for sudden drops in blood pressure, hearing changes, and signs of kidney dysfunction during therapy.

Lasix is contraindicated in patients with anuria, severe hypersensitivity to furosemide or other sulfonamides, and those with significant electrolyte disturbances that cannot be corrected. Caution is also advised for individuals with severe liver disease, uncontrolled hypotension, or those taking interacting medications without proper monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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