Frusin 40 mg Tablet

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Indications

Furosemide is a diuretic recommended for use in all indications when Furosemide 40 mg tablet include cardiac, pulmonary, hepatic and renal oedema, peripheral edema due to mechanical obstruction or venous insufficiency and hypertension. Furosemide 250 mg tablet is used for the treatment of advance chronic renal failure.

Furosemide Injection is a diuretic recommended for use when a prompt and effective diuresis is required. The intravenous formulation is appropriate for use in emergencies or when oral therapy is precluded. Indications include cardiac, pulmonary, hepatic and renal oedema.

Therapeutic Class

Loop diuretics

Pharmacology

Furosemide is a monosulphonyl diuretic. It is an effective diuretic that retains its activity even in low glomerular filtration rate (GFR). Furosemide has a distinctive action on renal tubular function. It affects a peak diuresis far greater than that observed with other agents. Other features are (I) prompt onset of action (II) inhibition of sodium and chloride transport in the ascending limb of the loop of Henle and (III) independence of their action from acid-base balance changes. Furosemide acts primarily to inhibit electrolyte reabsorption in the thick ascending limb of the loop of Henle. Furosemide is readily absorbed from the gastrointestinal tract and considerable proportions are bound to plasma proteins. It is rapidly excreted in the urine. With an hour after intravenous injection, its effect is evident in about 5 minutes and last for about 2 hours.

Dosage

40 mg Tablet (For edema):

  • Adults: The initial adult dose is 40 mg daily, reduced to 20 mg daily or 40 mg on alternate days. In some patients daily doses of 80 mg or higher (given in divided doses) may be required. The individually determined single dose should then be given once or twice daily (eg, at 8 am and 2 pm). For resistant edema, 80-120 mg daily. In patients with clinically severe edematous states the dose of furosemide may be carefully titrated up to 600 mg/day. When doses exceeding 80 mg/day are given for prolonged periods, careful clinical observation and laboratory monitoring are particularly advisable.
  • Neonate: 0.5-2 mg/kg every 12-24 hours (every 24 hours if postmenstrual age under 31 weeks).
  • Child 1 month-12 years: 0.5-2 mg/kg 2-3 times daily (every 24 hours if postmenstrual age less than 31 weeks); higher doses may be required in resistant edema; max. 12 mg/kg daily, not to exceed 80 mg daily.
  • Child 12-18 years: 20-40 mg daily, increased in resistant edema to 80-120 mg daily.
  • Elderly: In the elderly furosemide is generally eliminated more slowly. Dosage should be titrated until the required response is achieved.

40 mg Tablet (For hypertension):

  • Adults: The usual initial dose of furosemide for hypertension is 80 mg, usually divided into 40 mg twice a day. Dosage should then be adjusted according to response. If response is not satisfactory, add other antihypertensive agents.
  • Children: The usual dose is 1-3 mg/kg body weight daily up to a maximum dose of 40 mg/day.
  • Elderly: In the elderly furosemide is generally eliminated more slowly. Dosage should be titrated until the required response is achieved.

250 mg Tablet: For selected patients with advanced chronic renal failure, diuretic therapy may be started with Frunep orally. If conventional doses (80 to 160 mg orally) fail to produce an adequate diuresis, a single dose of 250 mg is given as a starting dose. If a satisfactory diuresis does not ensue within 4-6 hours, the initial dose may be doubled to 500 mg. The criterion of optimal dosage is a urinary output of at least 2.5 liters per day. A maximum daily dose of 1000 mg should not be exceeded.

Intravenous (For edema):

  • Adults: Doses of 20-50 mg intramuscularly or intravenously may be given initially. If larger doses are required, they should be given increasing by 20 mg increments and not given more often than every two hours. If doses greater than 50 mg are required it is recommended that they should be given by slow intravenous infusion. The recommended maximum daily dose of furosemide administration is 1,500 mg.
  • Neonate: 0.5-1 mg/kg every 12-24 hours (every 24 hours if postmenstrual age under 31 weeks).
  • Child 1 month-12 years: 0.5-1 mg/kg repeated every 8 hours as necessary; maximum 2 mg/kg (max. 40 mg) every 8 hours.
  • Child 12-18 years: 20-40 mg repeated every 8 hours as necessary; higher doses may be required in resistant cases.
  • Child 1 month-18 years: By continuous intravenous infusion: 0.1-2 mg/kg/hour (following cardiac surgery, initially 100 micrograms/kg/hour, doubled every 2 hours until urine output exceeds 1 mL/kg/hour).
  • Elderly: In the elderly furosemide is generally eliminated more slowly. Dosage should be titrated until the required response is achieved.

Intravenous (For hypertension):

  • Adults: Doses of 20 to 50 mg intramuscularly or intravenously may be given initially. If larger doses are required, they should be given increasing by 20 mg increments and not given more often than every two hours. If doses greater than 50 mg are required it is recommended that they should be given by slow intravenous infusion. The recommended maximum daily dose of furosemide administration is 1,500 mg.
  • Children: By slow intravenous injection Neonate: 0.5-1 mg/kg every 12-24 hours (every 24 hours if postmenstrual age under 31 weeks). Child 1 month-12 years: 0.5-1 mg/kg repeated every 8 hours as necessary; maximum 2 mg/kg (max. 40 mg) every 8 hours. Child 12-18 years: 20-40 mg repeated every 8 hours as necessary; higher doses may be required in resistant cases. By continuous intravenous infusion Child 1 month-18 years: 0.1-2 mg/kg/hour (following cardiac surgery, initially 100 micrograms/kg/hour, doubled every 2 hours until urine output exceeds 1 mL/kg/hour).
  • Elderly: In the elderly furosemide is generally eliminated more slowly. Dosage should be titrated until the required response is achieved. Hypertension: Adults: Doses of 20 to 50 mg intramuscularly or
    intravenously may be given initially. If larger doses are required, they should be given increasing by 20 mg increments and not given more often than every two hours. If doses greater than 50 mg are required it is recommended that they should be given by slow intravenous infusion. The recommended maximum daily dose of furosemide administration is 1,500 mg. Children: Parenteral doses for children range from
    0.5-1.5 mg/kg body weight daily up to a maximum total daily dose of 20 mg.

Syrup: Furosemide Liquid has an exceptionally wide therapeutic range, the effect being proportional to the dosage. Furosemide Liquid is best given as a single dose either daily or on alternate days. The usual initial daily dose is 40 mg. This may require adjustment until the effective dose is achieved as a maintenance dose. In mild cases, 20 mg daily or 40 mg on alternate days may be sufficient, whereas in cases of resistant oedema, daily doses of 80 mg and above may be used as one or two daily, or intermittently. Severe cases may require gradual titration of the furosemide dosage up to 600 mg daily. The recommended maximum daily dose of furosemide administration is 1,500 mg.

Administration

Tablet: May be taken with or without food. May be taken with meals to reduce GI discomfort.

Injection: Injection should be administered in children by slow intravenous injection

Interaction

A marked fall in blood pressure may be seen when ACE inhibitors are added to furosemide therapy. Serum lithium levels may be increased when lithium is given concomitantly with furosemide. The toxic effects of nephrotoxic antibiotics may be increased by concomitant administration of potent diuretics such as furosemide.

Contraindications

Furosemide is contraindicated in anuria, electrolyte deficiency and pre-comatose states associated with liver cirrhosis. Hypersensitivity to furosemide or sulphonamides.

Side Effects

As with other diuretics, electrolytes and water balance may be disturbed as a result of diuresis of prolonged therapy. Prolonged use can produce alkalosis. It may also cause uric acid retention and may rarely produce acute gout. Furosemide may provoke hyperglycemia and glycosuria.

Pregnancy & Lactation

Pregnancy Category C. Frusemide should be cautiously used in cardiogenic shock complicated by pulmonary oedema and in the first trimester of pregnancy. Blood pressure and pulse during rapid diuresis should be monitored. Caution should be observed in patients liable to electrolyte deficiency. In case of nursing mother, Frusemide may inhibit lactation because it may pass into breast milk. In that case it should be used with caution.

Precautions & Warnings

Patients with prostatic hypertrophy or impairment of micturition have an increased risk of developing acute retention. A marked fall in blood pressure may be seen when ACE inhibitors are added to furosemide therapy. The toxic effects of nephrotoxic antibiotics may be increased by concomitant administration of potent diuretics such furosemide.

Overdose Effects

Symptoms: Dehydration, electrolyte disturbances, hypotension and cardiac toxicity, hypochloremic alkalosis, hypokalaemia, blood volume reduction.

Management: Symptomatic and supportive treatment. Replacement of excessive fluid and electrolyte losses. Ensure adequate drainage in patients with urinary bladder outlet obstruction (e.g. prostatic hypertrophy). Treat hypotension with appropriate IV fluids.

Storage Conditions

Furosemide should be protected from light and moisture, stored in a cool dry place.
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