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Furosemide

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Product Info
How to Use
Ingredients
Customer Reviews
Q&A
Product Info
What is Furosemide?

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 for dogs and cats requires a prescription from your veterinarian, and is sold by the tablet.

For:

Cats and Dogs

Benefits:
  • Treats excessive fluid accumulation and swelling caused by heart failure and other health problems
  • Easy to administer
How it Works:

Furosemide is a potent diuretic which works by blocking the absorption of salt and fluid in the kidney tubules causing an increase in urine output.

Cautions:

Keep plenty of water available for your pet to drink. Furosemide can make your pet's skin sensitive to sunlight. There are possible adverse interactions with other drugs, so fully disclose to your veterinarian what you are giving your pet. This medication should not be used in pregnant or nursing animals.

Brand Name:

Lasix (Aventis), Salix (Paytheon)

Generic Name:

Furosemide (Vedco)

What is the most important information I should know about furosemide:

Do not give this medication if your pet is not urinating. Tell your veterinarian if your pet has kidney or liver disease, diabetes, or an allergy to sulfa drugs. Furosemide can make the pet's skin more sensitive to sunlight and sunburn may occur. Periodic blood tests as well as kidney or liver function tests may be necessary. Furosemide will make the pet urinate more often and the pet should have drinking water readily available to prevent dehydration and electrolyte imbalance.

What is furosemide:

Furosemide is a loop diuretic (water pill) 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 is available by prescription in 12.5mg (round yellow), 20mg (round white), 40mg (round white), 50mg (round yellow), and 80mg (round white) tablets and 60 ml Furosemide Oral Solution containing 10mg/ml. The usual dose of furosemide in dogs and cats is 1-2mg/pound once or twice a day (at 6 to 8 hour intervals). Cats will usually get the lower dose. Higher doses can be given depending on the severity of symptoms. Discard the opened bottle of Oral Solution after 90 days. Furosemide may also be used for purposes other than those listed in this guide.

What should I discuss with my veterinarian before giving furosemide to my pet:

Do not give this medication if your pet is not urinating. Tell your veterinarian if your pet has kidney or liver disease, diabetes, or an allergy to sulfa drugs. Tell your veterinarian if your pet is pregnant or lactating.

How should this medication be given:

Give this medication exactly as directed by your veterinarian. Do not give larger amounts, or give it for longer than recommended by your veterinarian. Your veterinarian may occasionally change the dose to make sure your pet gets the best results from this medication. Furosemide will make the pet urinate more often and the pet should have drinking water readily available to prevent dehydration and electrolyte imbalance. Periodic blood tests as well as kidney or liver function tests may be necessary. Store this medication at room temperature away from heat, light, and moisture.

What happens if I miss giving a dose:

Furosemide is sometimes used only once, so that there may not be a dosing schedule. If you are giving furosemide regularly, give the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and wait until the next regularly scheduled dose. Do not give a double dose of the medication.

What happens if I overdose the pet:

Seek emergency veterinary medical attention if you believe you have given your pet too much medication. Symptoms of furosemide overdose may include loss of appetite, weakness, dizziness, confusion, fainting.

What should I avoid while giving furosemide:

Avoid allowing the pet to become dehydrated. Keep plenty of water available for the pet to drink. Furosemide can make the pet's skin more sensitive to sunlight and sunburn may occur.

What are the possible side effects of furosemide:

If any of the following serious side effects occur, stop giving furosemide and seek emergency veterinary medical attention; an allergic reaction (hives, difficulty breathing, swelling of the face, lips, tongue, or throat). Stop giving furosemide and call your veterinarian at once if any of these serious side effects occur; dry mouth, thirst, nausea, and vomiting; weakness, drowsiness, restlessness; irregular heartbeat; muscle pain or weakness; urinating less than usual or not at all; bleeding, unusual weakness; hair loss; "bulls-eye" lesions; vesicles around mouth, ears, and groin; hearing loss; nausea, stomach pain; fever; loss of appetite; dark urine; jaundice. Continue giving furosemide and talk with your veterinarian if any of these less serious side effects should occur; diarrhea, constipation, or stomach pain; headache; dizziness, or blurred vision. Side effects other than those listed in this guide may also occur. Talk to your veterinarian about any side effect that seems unusual or especially bothersome to your pet.

What other drugs will affect furosemide:

If you give your pet sucralfate (Carafate), give it at least 2 hours before or after giving furosemide. Tell your veterinarian if your pet is being given digoxin (Lanoxin), steroids (such as prednisone), other blood pressure medications, Amikacin, gentamicin, tobramycin, salicylates such as aspirin (Vetrin), or indomethacin. Drugs other than those listed may also interact with furosemide. Tell your veterinarian about all the prescription and over the counter medications you are giving your pet. This includes vitamins, minerals, and herbal products.

Where can I get more information:

Your pharmacist has additional information about furosemide written for health professionals that you can read.

Call your veterinarian for medical advice about any side effects to your pet. You may report side effects to the FDA at 1-800-FDA-1088.

How to Use
Directions:
  • Furosemide is a loop diuretic available by prescription 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.
  • Do not give this medication if your pet is not urinating.
  • Furosemide can make your pets skin more sensitive to sunlight and sunburn may occur.
  • Discard the open bottle of Oral Solution after 90 days.
Tip:

Furosemide will make your pet urinate more often than usual so your pet should have drinking water readily available to prevent dehydration and electrolyte imbalance. Do not give larger amounts of this medication, or give it for longer than recommended by veterinarian. Your veterinarian may occasionally change the dose of this medication to make sure the pet gets the best results from it. Periodic blood tests as well as kidney or liver function tests may be necessary.

Dosage:
Dogs/Cats:
Weight
Dosage
All weights
The usual dose is 1-2mg per pound of pets body weight given once or twice daily (at 6 to 8 hour intervals) or as directed by your veterinarian. Cats will usually get the lower dose (1mg per pound of pets body weight once a day).
Storage:

Store this medication at room temperature away from heat, light, and moisture.

Ingredients
Furosemide 12.5 mg Tablet:
Active Ingredient
Amount
Furosemide
12.5 mg
Furosemide 20 mg Tablet:
Active Ingredient
Amount
Furosemide
20 mg
Furosemide 40 mg Tablet:
Active Ingredient:
Amount
Furosemide
40 mg
Furosemide 50 mg Tablet:
Active Ingredient:
Amount
Furosemide
50 mg
Furosemide 80 mg Tablet:
Active Ingredient:
Amount
Furosemide
80 mg
Customer Reviews
Furosemide is rated 4.5902 out of 5 by 61.
Rated 5 out of 5 by from Petmeds I have been ordering from Petmeds for several years and recently our oldest dachshund was diagnosed with congested heart failure. She is doing good playful and thank you for always asking about our pets when I call. You are the best!
Date published: 2016-12-05
Rated 5 out of 5 by from Love my veterinarian I bought EXACT same mg & amount of liquid from my vet today. It is actually cheaper at my vets hospital than in here, not by much but I can go pick it up & have in my hand same day! I LOVE my veterinary office! The staff is wonderful & helpful and Dr. Mike is AWESOME! Very caring for our little girl that is in heart failure! Did I say I LOVE MY VETERINARIAN! Thank you Dr. Mike!
Date published: 2016-11-03
Rated 4 out of 5 by from It's been helping Maddi to rid the fluid around her heart combined with enalipril and Vetmedin. A year ago we thought she was dying. Still going strong today. I make sure she goes out consistently and has plenty of water to drink.
Date published: 2016-07-31
Rated 1 out of 5 by from furosemide 25mg. my dog has improved being on Furosemide and I am happy about that, but I have to cut the tabs in half, and One half of the tablet shreds and I loose it. He has to have a half tablet 2 times a day. It will become costly at this rate of loss. Please complain to the manufacturer about this, it would be helpful
Date published: 2016-04-17
Rated 4 out of 5 by from Med does what it's supposed to do. Had a huge scare this summer when we ran out on a holiday wknd thinking we had a bottle waiting, the difference in my Maltese during this hot humid summer was horrifying . I thought this was it, actually was preparing myself to have put down my lil guy down bc he was in such distress, the vet charged me $30 for 7 day supply plus $120 in tests while I waited for pet meds delivery of 30 pills for a mere $10! Same exact meds. My lil guy is doing great again for his condition and I thank pet meds every time I kiss his lil furry head.
Date published: 2015-11-23
Rated 5 out of 5 by from this medication have been a big help Since using this medication I have seen a big difference in my little girl, she is back to her playful self.
Date published: 2015-10-24
Rated 5 out of 5 by from It saves lives This product gave my little girl Gordi another chance at life.
Date published: 2015-08-20
Rated 5 out of 5 by from The mdication works. Since Trace has been on this he is coughing much less and appears to back to as normal as he can be. He enjoys taking the medication because I stick it in a small square of cheese.
Date published: 2015-08-15
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Q&A

My dog was laughing bad and had a heart murmur, vet have him Erialapril Malerte and Fuvesemide and died 2 days later after suffering for over 24 hours. Did they give him medication that hurt him?

Asked by: Pracer69
We are very sorry to hear about the loss of your beloved furry baby. We hope the memories will help ease the sadness in your heart. Unfortunately, we do not have any have any veterinarian's on staff who can answer your question. Please contact your vet or check the education section on our website.
Answered by: Cherley Petmeds Pro
Date published: 2016-12-06

My dog is out of this med can I substitute hydrochlorothiazide .25 mg?

The med he takes is Salic, 12.5mg
Asked by: Duck
No, you should not substitute furosemide for hydrochlorothiazide, unless otherwise specified by your veterinarian. Furosemide is a loop diuretic, and hydrochlorothiazide is a thiazide diuretic. While they are both diuretics, they work differently in the body. Speak with your veterinarian about refilling furosemide or to see if you can switch to hydrochlorothiazide.
Answered by: Christine
Date published: 2016-10-21

My cat has been given furosmide for fluid removal...will he need to take more than one course?

Asked by: covbabe
Your pet may only need to take one course of this medication to remove the fluid. However, if fluid accumulation continues to be a problem for your cat, they made need to take multiple courses or take the medication indefinitely to help prevent fluid accumulation. Your vet should direct you on how long your pet needs to take this medication.
Answered by: Christine
Date published: 2016-10-18

my dog has lot of fluid in his abdomen..Took her to the vet n fluids were taken out but after one week it z the same case again.He told me there z no cure to this disease.. will this help? will she be arite?  help me plz i dnt want to loose her :(

Asked by: Fahad
Furosemide is a diuretic that helps remove fluid from your pet. This should decrease the fluid accumulation your pet is experiencing and should help her. However, this usually increases thirst in urination as a result.
Answered by: Christine
Date published: 2016-10-14

my dog weighs 20 lbs... what dosage should I use?

Asked by: candi
The usual dose is 1-2mg per pound of pets body weight given once or twice daily (at 6 to 8 hour intervals) or as directed by your veterinarian. For a 20 lb dog, this could be 20-40 mg once or twice daily. For a more exact dose, speak to your veterinarian.
Answered by: Christine
Date published: 2016-10-14

Should you still give a sick cat Lasix although he's not eating at all and drinking very little. He's urinating 1 or 2 times a day. He's got congestive heart failure. And was at the vet yesterday and received a antibiotic/Cort shot.

Asked by: spidey9393
With congestive heart failure, fluid build up is common. This is often why they prescribe Lasix with congestive heart failure. Even though your cat is not eating or drinking, fluid build up is still a possibility, and Lasix may be needed. If you are unsure, speak with your veterinarian.
Answered by: Christine
Date published: 2016-10-13

My basset is in final stages of heart failure. Given 25 mg/day for edema in hind leg. Edema down do I need to continue for entire mth. Per script?

Asked by: BassMom
Furosemide can be given as needed for edema, or it can be given continuously to keep the swelling and edema down, especially in cases like heart failure where fluid accumulation and swelling are common. If you are unsure of how your vet prescribed the medication, contact them to clarify if your pet should continue to take the medication, even after the swelling has gone down.
Answered by: Christine
Date published: 2016-10-11

why can't I get this without a visit to the vet?  trying to save money

Asked by: candi
You need to see your veterinarian becasue this medication requires a prescription from them.
Answered by: paulpharmacistintern
Date published: 2016-08-13
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