Lasix 40 mg

Oedema due to heart failure, liver disease or kidney disease. Resistant hypertension. Injection: when rapid diuresis is needed, as in acute pulmonary oedema.

Furosemide is a potent loop diuretic. It inhibits reabsorption of sodium, potassium and chloride in the thick ascending limb of the loop of Henle, producing a rapid and marked increase in urine output.

Oral, adult: 40 mg in the morning initially; maintenance 20-40 mg daily. In resistant oedema 80-120 mg daily. Injection, adult: 20-50 mg by intramuscular or slow intravenous injection, repeated as needed under medical supervision. Child: dose by body weight as directed by the physician.

Low blood potassium and sodium, dehydration, low blood pressure, dizziness, raised uric acid (gout), raised blood sugar and muscle cramps. Ringing in the ears or deafness may occur with high doses.

Monitor electrolytes, kidney function and fluid balance. Use with caution in diabetes, gout, prostatic enlargement, hepatic impairment and with digoxin, aminoglycosides or NSAIDs.

Anuria, severe low blood potassium or sodium, severe dehydration, coma associated with liver cirrhosis, kidney failure caused by nephrotoxic or hepatotoxic drugs and hypersensitivity to furosemide or sulfonamides.

Store below 30°C in a cool, dry place, away from light. Keep out of the reach of children.