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Furosemide: Uses, Dosage, Side Effects, and More

Furosemide is a prescription loop diuretic (“water pill”) used to treat fluid retention (edema) due to heart failure, liver disease, or kidney disorders, and to help manage high blood pressure. It works by promoting the kidneys’ elimination of excess salt and water, reducing swelling, and lowering blood pressure.

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Controlled Substance Warning

Furosemide is not a controlled substance. It should be taken exactly as prescribed, typically in the morning to avoid nighttime urination. Patients should watch for dehydration, dizziness, or electrolyte imbalances such as low potassium or sodium levels.

Drug Facts

Generic Name

Furosemide

Brand Names

Lasix

Drug Type

Loop diuretic

Dosage Forms

Tablets, oral solution, injection

Typical Dosage
  • Adults: 20–80 mg once or twice daily; may be adjusted based on response.
  • Hypertension: 40 mg twice daily initially; adjust as needed.
  • Children: Doses based on weight (1–2 mg/kg).

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Why pay retail prices for the same medication?
At Invictus, we source directly from trusted, FDA-approved manufacturers to keep your costs low without sacrificing quality. Whether you need a one-time fill or regular refills, our transparent pricing makes it easy to save every day.

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No one should overpay for safe, effective medication. By cutting out middlemen and working directly with trusted, FDA-approved manufacturers, Invictus offers the same high-quality medicines you’d find at big retail pharmacies—at a fraction of the price.  Whether you choose brand-name or generic, we’ll deliver it quickly, affordably, and right to your door. Maybe that’s why most patients who switch to Invictus never look back.

Disclaimer

The information provided on this page is for general informational purposes only and is not intended as medical advice. Always consult with a licensed healthcare provider before starting, stopping, or changing any medication regimen. While Invictus strives to provide accurate and up-to-date information, individual health conditions and circumstances vary. The prices, availability, and descriptions of all medications on this page are subject to change.

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