Pulmonary oedema

Active Ingredient: Furosemide

Indication for Furosemide

Population group: only adults (18 years old or older)

For this indication, competent medicine agencies globally authorize below treatments:

20-1000 mg daily

Route of admnistration

Intravenous

Defined daily dose

20 - 1,000 mg

Dosage regimen

From 10 To 500 mg 2 time(s) per day every day

Detailed description

Furosemide injection 20mg/2ml and 50mg/5ml

Adults

Initially, doses of 20-50mg may be administered by the intramuscular route, or by slow intravenous injection at a rate not exceeding 4mg/minute. The diuretic effect of furosemide is proportional to the dosage and, if larger doses are required, they should be given as a controlled infusion at a rate not exceeding 4mg/minute and titrated according to the response.

Elderly

Elimination of furosemide is generally slower in the elderly. Dosage should be titrated until the required effect is achieved.

Furosemide injection 250mg/25ml

Adults

Furosemide injection 250mg/25ml is for slow intravenous injection at a rate not exceeding 4mg/minute.

An initial dose of 250mg (one 25ml ampoule) may be added to about 225ml Sodium Chloride Injection B.P. or Ringer’s Solution for Injection, and infused over one hour at a drip rate of 80 drops/minute (4mg/minute).

If urine output within the next hour is insufficient, a dose of 500mg (two 25ml ampoules) in an appropriate infusion fluid, the total volume of which must be governed by the patient’s state of hydration, may be infused at a rate not exceeding 4mg/minute. If a satisfactory urine output has still not been achieved within one hour following the end of the second infusion, a third dose consisting of 1,000mg (four 25ml ampoules) in an appropriate infusion fluid may be given. The rate of infusion should never exceed 4mg/minute.

If the third infusion (1,000mg over 4 hours) is not effective, dialysis will probably be required.

In oliguric or anuric patients with significant fluid overload, it may not be practicable to use the aforementioned method of administration. In such cases, the use of a constant-rate infusion pump with a micrometer screw-gauge adjustment may be considered for direct administration of the injection into the vein. The rate of infusion should still never exceed 4mg/min.

If the response to either method of administration is satisfactory (urine output 40-50ml/hour), the effective dose (of up to 1,000mg) may be repeated every 24 hours. Alternatively, treatment may be maintained by oral administration, using 500mg by mouth for each 250mg required by injection. Appropriate adjustments to dosage may then be made according to the patient’s response.

Elderly

Elimination of furosemide is generally slower in the elderly. Dosage should be titrated until the required effect is achieved.

Active ingredient

Furosemide

Furosemide inhibits active chloride transport in the thick ascending limb. Re-absorption of sodium, chloride from the nephron is reduced and a hypotonic or isotonic urine produced. The evidence from many experimental studies suggests that furosemide acts along the entire nephron with the exception of the distal exchange site.

Read more about Furosemide

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