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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 4.5862 out of 5 by 58.
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
Rated 3 out of 5 by from Furosemide tablets crumble My dog requires 1/2 of a tablet two times a day. The current tablets are impossible to cut in half because they crumble when being cut - no matter how sharp the knife is. Please make tablets that are 1/2 the mg size of the current tablets so that I will no longer have to cut the current tablets in half.
Date published: 2015-06-06
Rated 5 out of 5 by from Extending my Tommy's life Tommy was diagnosed with congestive heart failure at nearly 14 years of age. He has been on Furosemide, Enalapril, and Vetmedin for 4 months now, and he is happy and enjoying life. I heartily recommend these medications.
Date published: 2014-10-24
Rated 5 out of 5 by from Made a Big Difference When our dog was diagnosed with heart failure we were doubtful about being able to attain his earlier quality of life. Our vet started him on Furosemide immediately and another med to help his heart beat consistently, Enapril? -- what a difference they made! While he couldn't run and play at the level he had six months prior, he did indeed enjoy improved quality of life. Access to water is very important for dogs taking this med, and providing frequent opportunities for them to relieve themselves every few hours during the day. Our dog also benefited greatly from Vetmedin.
Date published: 2014-10-17
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Q&A

Is Flurosemide the same as Lasix?

My Doby takes 1 &1/2 Lasix 40mg twice a day. Is it the same as Flurosemide?
Asked by: Lori
Yes Lasix is same, tahrs the brand name
Answered by: Kate
Date published: 2015-11-24

How much dosage will li need to give my 80lb dog?

Asked by: Buddy
My 10lb dog gets a half a tab of 12.5 a day but you really need to ask a good vet for dosing as this is super hard on the kidneys and can do a lot of damage if not monitored or given too much. He'll need to have more frequent potty breaks too so don't give it to him before leaving for work or you come home to a pond inside or at least until you know how he responds to it. Within about an hour my dog goes like Niagara Falls and then is ok.
Answered by: Kate
Date published: 2015-11-24

What is the life of fusoemide tablets?

Asked by: Anonymous
Please call us regarding the shelf life of this medication. This will depend on what we have in stock at the time.
Answered by: Stephanie Duesler, Pharm. D, MBA
Date published: 2015-08-28

Need to know dosage difference

Cat is currently taking liquid solution of this drug from the vet and I need to know what the differences in dosage would be if I buy the liquid form from this website. This is what it says on her current bottle of drug from the vet "Give 0.50 mil of solution (10.0 mg of drugs) 1 time a day for 30 days. Solution Concentration=20.0 mg/ml" The liquid bottle sold on this site says "10mg/ml 60ml" does this mean the solution concentration sold on this site is 60mg/ml? or that there's 60ml of 10mg of drugs per dosage?
Asked by: N
Our solution is 10mg per ml in a 60 ml bottle. Therefore for your pet you would give 1ml of the solution each day and our bottle will provide you with 60 doses or a 60 day supply.
Answered by: Pharmacist
Date published: 2014-04-16

How much does 50 mg of the salex cost?

My dog is on lasix now is this the same thing?
Asked by: Anonymous
Furosemide is the same as lasix, yes.
Answered by: MJP
Date published: 2014-02-27

1-2mg per pound = 110mg for a 55lb dog of Furosemide, correct?

Asked by: Ellie May
The usual range would be 55 mg to 110 mg, however keep in mind there is quite a variation in the disease state and the individual tailored dose for a pet. Only your vet will know the correct dosage after an exam.
Answered by: Linda M 1800petmeds pharmacist
Date published: 2013-09-18

My 6 pound pom injested a 12.5 mg furosemide, will she be ok?

Asked by: Anonymous
If the furosemide tablet was not prescribed for your pomeranian and this was an accidental ingestion, please contact your veterinarian immediately. If your veterinarian is unavailable, the ASPCA has an Animal Poison Control Center and the number to call is (888) 426-4435. 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.
Answered by: Lilli Pharmacist
Date published: 2013-05-24

I asked my vet for Diuretic pill salix and the other one, but why did the vet refuse?

My cat is OVER 15 lbs. But he losing weight by the raw diet I am giving him, but what's left is his water retention (sagging skin layers is water retention). My vet said I don't it because his heart and looks of my cat look healthy! Is there a NATURAL ALTERNATIVE instead of RX to get his water retention gone? Can you make something that is like the others where I don't need an RX? The hospital where I take my cats is PetDOC in Lake Underhill and State Road 436.
Asked by: Anonymous
We do not carry anything over the counter that acts as a diuretic. Please consult with your veterinarian.
Answered by: Lilli Pharmacist
Date published: 2013-04-24
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