Monograph Details

Cardiovascular System > Hypertension
LASIX
Manufacturer
Sanofi Aventis
Legal Classification
Rx
Pharmacological Class
Diuretic (loop).
Generic Name
Furosemide 20mg, 40mg+, 80mg; tabs; +scored.
Indications
Hypertension.
Children
Not recommended.
Adults
Initially 40mg twice daily. Adding to other antihypertensives: initially reduce other agent's dose by 50%.
Contraindications
Anuria. Hepatic coma. Electrolyte depletion.
Precautions
Renal or hepatic dysfunction. Diabetes. Gout. SLE. Sulfonamide sensitivity. Monitor BP, electrolytes, fluids, blood, BUN. Potassium supplementation may be needed. Discontinue if progressive renal dysfunction occurs. Elderly. Pregnancy (Cat.C). Nursing mothers.
Interactions
Digitalis, lithium toxicity. Alcohol, CNS depressants may increase orthostatic hypotension. Antagonized by indomethacin. May alter excretion of salicylates, lithium. Hypokalemia with corticosteroids, ACTH. Antagonizes tubocurarine. Potentiates antihypertensives, succinylcholine. Ototoxicity with aminoglycosides, ethacrynic acid.
Adverse Reactions
Excessive diuresis, fluid or electrolyte imbalance, GI upset, dizziness, vertigo, paresthesias, orthostatic hypotension, hyperglycemia, jaundice, hyperuricemia, rash, photosensitivity, tinnitus, hearing loss, blood dyscrasias, renal calcification in premature infants.
How Supplied
Tabs 20mg—100, 1000
40mg—100, 500, 1000
80mg—50, 500
Additional Resources
Related Prescribing Note