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Questions & Answers
Side Effects & Adverse Reactions
In patients with hepatic cirrhosis and ascites, FUROSEMIDE TABLET therapy is best initiated in the hospital. In hepatic coma and in states of electrolyte depletion, therapy should not be instituted until the basic condition is improved. Sudden alterations of fluid and electrolyte balance in patients with cirrhosis may precipitate hepatic coma; therefore, strict observation is necessary during the period of diuresis. Supplemental potassium chloride and, if required, an aldosterone antagonist are helpful in preventing hypokalemia and metabolic alkalosis.
If increasing azotemia and oliguria occur during treatment of severe progressive renal disease, FUROSEMIDE TABLET should be discontinued.
Cases of tinnitus and reversible or irreversible hearing impairment have been reported. Usually, reports indicate that FUROSEMIDE TABLET ototoxicity is associated with rapid injection, severe renal impairment, doses exceeding several times the usual recommended dose, or concomitant therapy with aminoglycoside antibiotics, ethacrynic acid, or other ototoxic drugs. If the physician elects to use high dose parenteral therapy, controlled intravenous infusion is advisable (for adults, an infusion rate not exceeding 4 mg FUROSEMIDE TABLET per minute has been used).
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FDA Safety Alerts
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There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
FUROSEMIDE TABLET is indicated in adults and pediatric patients for the treatment of edema associated with congestive heart failure, cirrhosis of the liver, and renal disease, including the nephrotic syndrome. FUROSEMIDE TABLET is particularly useful when an agent with greater diuretic potential is desired.
Oral FUROSEMIDE TABLET may be used in adults for the treatment of hypertension alone or in combination with other antihypertensive agents. Hypertensive patients who cannot be adequately controlled with thiazides will probably also not be adequately controlled with FUROSEMIDE TABLETS alone.
There is currently no drug history available for this drug.
FUROSEMIDE TABLET is a diuretic which is an anthranilic acid derivative. FUROSEMIDE TABLET for oral administration contain furosemide as the active ingredient and the following inactive ingredients: lactose anhydrous NF, magnesium stearate NF, starch NF, microcrystalline cellulose NF, sodium starch Glycolate NF, and colloidal silicon dioxide NF. Chemically, it is 4-chloro-N-furfuryl-5-sulfamoylanthranilic acid. FUROSEMIDE TABLET is available as white tablets for oral administration in dosage strengths of 20, 40 and 80 mg. Furosemide is a white to off-white odorless crystalline powder. It is practically insoluble in water, sparingly soluble in alcohol, freely soluble in dilute alkali solutions and insoluble in dilute acids.
The CAS Registry Number is 54-31-9.
It has a molecular formula of C12H11ClN2O5S and a molecular weight of 330.75.
The molecular structure is as follows: