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Furosemide is a diuretic used to treat fluid retention edema in dogs and cats with congestive heart failure, liver disease, or certain kidney disease. Furosemide is also used to treat high blood pressure. Furosemide requires a prescription from your veterinarian, and is sold by the tablet.

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Item# Size/Desc Qty Price
12.5mg tablet
per tablet,   
This item requires a RX
20 mg tablet
per tablet,
This item requires a RX
40 mg tablet
per tablet,
This item requires a RX
50 mg tablet
per tablet,
This item requires a RX
80 mg tablet
per tablet,
This item requires a RX

**Note: This product requires a veterinarian's prescription to purchase.At checkout you will need to provide your veterinarian's FAX or email address. We will then send him or her a prescription verification that he or she will need to sign and return before we can ship you this product.

For: Cats and Dogs

*Treats excessive fluid accumulation and swelling caused by heart failure and other health problems 

*Easy to administer

Product Uses

Furosemide is easily absorbed from the intestinal tract and begins to act in 30 to 60 minutes after oral administration. It is a loop diuretic which inhibits reabsorption of sodium and chloride in the kidneys, enhancing water excretion. Furosemide is indicated for the treatment of edema fluid on the lungs or in the abdomen associated with heart disease and acute noninflammatory tissue edema in dogs. In cases of edema involving heart disease, the continued use of heart stimulants is indicated.

Product Contains


Dosage and Administration

The usual dosage of Furosemide is 1 to 2 mg/lb body weight orally once or twice daily at 6-8 hour intervals, however this can be adjusted to the individual requirements of the animal being treated

Warnings, Side Effects and Drug Interactions

Furosemide is contraindicated in pregnant animals and may cause fetal abnormalities Furosemide is contraindicated where the animal is not passing urine, in animals allergic to the drug, in animals in a hepatic coma, or during electrolytic imbalances. The renal function, as well as levels of potassium and calcium in the blood should be monitored closely as dehydration, kidney damage and electrolyte imbalances can occur with use of the product. If given in conjunction with corticosteroids, the potassium-depletion effect of both drugs is additive. The early signs of electrolyte imbalance include: increased thirst, lethargy, drowsiness or restlessness, reduces urine production, gastrointestinal disturbances and an elevated heart rate. Potassium supplementation may be required. Excessive loss of potassium in patients receiving digitalis or its glycosides may lead to digitalis toxicity and heart arrythmias.

Diabetes may be exacerbated by furosemide. Ototoxicity resulting in transient loss of hearing has been reported with furosemide.

The concurrent use of furosemide with some antibiotics may be inadvisable as the kidney toxicity of aminoglycosides, cephalosporins and polymyxins, as well as the ototoxic effects of aminoglycosides may be increased. Sulfonamide diuretics have been reported to decrease arterial responsiveness to blood pressure raising medications and to enhance the paralytic effects of tubocurarine. It is advisable to discontinue Furosemide for one day prior to any elective surgery.