Furosemide

Furosemide is a medication with the active ingredient furosemide. It is also known by the brand names Lasix, Frumex, and Diured. Furosemide is used to treat fluid retention (edema) caused by medical conditions such as heart failure, liver disease, or kidney disease, and it can also be used to manage high blood pressure.

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Furosemide Price Update

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The price span for Furosemide is approximately £0.27 – £0.61 per pills. The exact cost is influenced by the size and type of packaging, as well as the amount of active ingredients (60 or 360 mg).

Drug Classification and Uses

Furosemide is classified as a loop diuretic. It is used primarily to reduce fluid retention (edema) associated with congestive heart failure, liver cirrhosis, and renal disease, including nephrotic syndrome. Additionally, it is prescribed to treat hypertension. The mechanism involves inhibiting sodium and chloride reabsorption in the ascending loop of Henle, promoting diuresis and natriuresis.

Dosage Forms and Strengths

Furosemide is available in several dosage forms. These include oral tablets, oral solution, and injectable formulations. Tablets are typically available in strengths of 20 mg, 40 mg, and 80 mg. The oral solution provides a liquid form for those with difficulty swallowing. Injectable furosemide is used in acute settings for rapid diuresis.

Pharmacokinetics and Metabolism

Furosemide exhibits rapid absorption following oral administration, with peak plasma concentrations achieved within one to two hours. It is highly protein-bound, primarily to albumin. The drug is primarily excreted through the renal system, with minor hepatic metabolism. The half-life of furosemide ranges from 1.5 to 2 hours in individuals with normal renal function. In patients with renal impairment, the elimination is prolonged.

Specific Administration Guidelines

When administering furosemide, consideration of the patient’s fluid status is crucial. It should be taken in the morning to prevent nocturia. Oral administration involves swallowing tablets with a full glass of water. For the injection, it should be given slowly to prevent ototoxicity. The dosage is individualized based on the condition being treated, renal function, and response to therapy.

Contraindications and Precautions

Furosemide is contraindicated in patients with anuria or hypersensitivity to the drug. Caution is advised in patients with hepatic cirrhosis, gout, or diabetes mellitus due to potential exacerbation of these conditions. Monitoring electrolyte levels is essential, as imbalances can occur. Hypokalemia is a notable concern, requiring supplementation or dietary modifications.

Potential Drug Interactions

Furosemide interacts with various medications. Concurrent use with aminoglycoside antibiotics may increase ototoxic risk. Nonsteroidal anti-inflammatory drugs can reduce diuretic effects. ACE inhibitors and other antihypertensives may enhance blood pressure-lowering effects. Lithium clearance may be reduced, leading to toxicity. It is crucial to review patient medications comprehensively.

Adverse Effects Overview

The common adverse effects of furosemide include electrolyte imbalances such as hypokalemia, hyponatremia, and hypocalcemia. Patients may experience dehydration, hypotension, or dizziness. Less commonly, ototoxicity and hyperglycemia can occur. Rare cases of thrombocytopenia and agranulocytosis have been reported. Continuous monitoring and prompt management of these effects are needed.

Patient Monitoring Parameters

Regular monitoring of electrolyte levels, renal function, and blood pressure is vital for patients on furosemide. Periodic assessment of hearing is advised, particularly in those receiving high doses or concomitant ototoxic drugs. Weight should be checked regularly to evaluate fluid status. Signs of volume depletion and orthostatic hypotension must be observed during treatment.

Therapeutic Benefits and Efficacy

Furosemide effectively alleviates edema associated with heart, liver, and kidney conditions, enhancing quality of life. It aids in managing high blood pressure, reducing cardiovascular risk. The efficacy of furosemide varies with individual conditions; monitoring and dose adjustments optimize therapeutic outcomes. It’s particularly useful in emergencies requiring rapid fluid removal.

Special Population Considerations

In pediatric patients, furosemide dosing requires careful titration based on weight and clinical response. For elderly patients, lower initial doses and caution are advised due to increased sensitivity and potential renal function decline. Pregnant women should use furosemide only if benefits justify risks. Lactating women should consult healthcare providers due to potential drug excretion in breast milk.

Dosage

100mg, 40mg

Active ingredient

furosemide

Pack

120 pills, 180 pills, 270 pills, 360 pills, 60 pills, 90 pills

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Furosemide
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