Furosemide is a diuretic. It is used to help reduce the amount of water in the pet's body by increasing the flow of urine.

Furosemide is used to treat congestive heart failure, some other heart diseases, pulmonary edema (fluid in the lungs), certain kidney diseases, high blood pressure, high potassium levels in the blood (hyperkalemia), ascites (fluid in the abdomen), and certain kinds of tissue swelling. 

furosemide

Side effects may include excessive thirst, drowsiness, weakness, restlessness, diminished urination in relation to fluid intake, stomach upset, or a fast heart rate. Notify your veterinarian if side effects are noted and they are troublesome. Other side effects may occur. If you notice anything unusual, contact your veterinarian.

Furosemide should be given orally as directed by your veterinarian

Note:  This product contains propylene glycol, use with caution in cats. This medication does not have an FDA approved indication for use in animals, but it is a common and acceptable practice for veterinarians to prescribe this human medication for use in animals.  

Make sure to tell your veterinarian what other medication you are giving to your pet. Quite often your veterinarian may prescribe two different medications, and a drug interaction may be anticipated. In this case, your veterinarian may vary the dose and/or monitor your pet more closely. The following drugs can potentially interact with furosemide: theophylline, aminoglycoside antibiotics, corticosteroids, corticotropin, amphotericin B, aspirin, tubocurarine, succinylcholine, probenecid, sulfinpyrazone, and insulin. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.

Allergic reactions to medications may occur. Be sure to inform VetSource and your veterinarian if your pet has any known drug sensitivities or allergies. If your pet displays symptoms of an allergic reaction, call your veterinarian immediately or go to a veterinary emergency clinic. Symptoms may include but are not limited to: swollen lips, tongue, face, airways; difficulty breathing; agitation; profuse salivation; vomiting; widespread hives and itching.