Is Vetmedin Safe for Cats?

The controversy surrounding the use of Vetmedin in cats has caused many owners to ask “Can Vetmedin kill a cat?” Vetmedin is a popular treatment for congestive heart failure and has proven to be effective in feline patients.

Vetmedin Killed My Cat

“I was stunned when I heard about a cat that died after receiving this drug for congestive heart failure. I thought my cat would be fine if he took Vetmedin for his enlarged heart. My vet recommended it, and I asked him if it was safe. He said that it was a ‘wonder drug’ and very safe. He also said that there were no long-term studies on the drug, but he had never had any problems with it.

It seems as though most vets are recommending this drug for cats with congestive heart failure or enlarged hearts without even knowing what they are getting into. The truth is, this drug can kill your cat if you don’t know what you’re doing. You need to ask your vet if they know what they’re doing before they put your cat on this medication!”

“My cat Molly was diagnosed with Hypertrophic cardiomyopathy about a year ago. She had an echo, which showed some mild/moderate dilation and hypertrophy of the left ventricle. The vet prescribed Vetmedin for her, and she took it daily for about 6 months.

A few weeks ago, I noticed Molly seemed to be losing weight (down from 11 lbs to just under 9 lbs). She also seemed listless and had no interest in food. I took her to the vet, who did blood work (which came back normal) and ran another echo. The echo showed that her left ventricle had become severely dilated and hypertrophic, with very little left ventricular function remaining.

I think it’s more likely that Vetmedin caused damage to my cat’s heart over the course of her treatment.”

Is Vetmedin toxic to cats?

Vetmedin appears to be well tolerated in cats with CHF when used with a variety of concurrent medicines. However, like any drug, it has the potential to cause side effects and even death.

Although it has not been proven, it is likely that pimobendan and other positive inotropic drugs may increase the risk of developing cardiotoxic signs when used with certain medications.

Because it is not approved for use in cats, veterinarians are warned not to use these products off-label because they may not have been tested for safety or efficacy in this species.

Toxicity due to an overdose of Vetmedin can occur if your cat eats an excessive amount of the medication at one time or accidentally takes too much throughout the course of several days.

Like all medications, Vetmedin can have side effects and may interact with other drugs. If you’re considering trying Vetmedin for your cat, talk to your vet first to make sure it’s right for your pet.

How long can a cat live with congestive heart failure with medication?

In general, cats with CHF have a guarded to poor prognosis. Without treatment, symptoms may progress rapidly and become life-threatening. However, when treated early in the course of the disease with appropriate medications and diet, most cats can live for many months. The average survival time is 6-12 months after diagnosis but some cats may live longer than this.

How long can a cat live on pimobendan?

With pimobendan, some cats may survive up to 20 months after being diagnosed with congestive heart failure. The length of time that cats with CHF live depends on many factors, such as overall health and age, as well as treatment options.

Medication is typically used to manage CHF rather than cure it. It helps control or improve the signs of CHF in most cats, but these drugs may not work in all cases.

The goal of therapy for CHF is symptom control and maintaining fluid balance in the body so your cat doesn’t go into kidney failure. Heart disease is a progressive disease, meaning it will get worse with time and there is no cure.

If your cat has had CHF for several months and her kidney values are normal, then chances are your cat will be able to live a few more months with medication and close monitoring by your veterinarian. However, it’s important to understand that this can change at any time without notice.

What is the difference between Vetmedin and pimobendan?

Vetmedin capsules and chewable tablets all contain the same active ingredient, pimobendan. The only differences are the fillers and coatings used by the different manufacturers.

Vetmedin chewable tablets are ideal for pets that find capsules difficult to swallow. They can be crushed up and sprinkled over your pet’s food or given as a treat.

If you have any questions about Vetmedin, please speak to your vet.

Should I euthanize my cat with heart failure?

“I have a 13-year-old cat that is losing weight and has heart failure. I love him so much, but I don’t think I can afford the bills and he is starting to go downhill quickly. Is it cruel to put him to sleep?”

I’m sorry your cat is having these problems. Heart failure can be a very miserable condition for cats, and eventually, the kitty will suffer a lot before dying. Unfortunately, heart disease in cats is common, especially among middle-aged and older cats.

You should consider the symptoms and quality of life for your pet. The decision to euthanize a pet is never easy. However, it’s important to put your pet’s health and quality of life first in this situation.

Positive reviews of Vetmedin

Vetmedin is a prescription medication used to treat congestive heart failure (CHF) in dogs and cats. Reviews for Vetmedin are mixed, but mostly positive. Here are a few excerpts from the Vetmedin reviews:

“It has been about 10 days since we started the Vetmedin but it does seem like he is feeling better than he was when we started him on it.”

“My vet suggested this, and I’m so glad. My cat has cardiomyopathy and was on other pills, but they upset her stomach and she would throw up almost every night. This pill is smaller than the others, and she doesn’t mind taking it. She has not thrown up once since starting Vetmedin, and her heart rate has decreased some. I highly recommend this medication.”

“This product works wonders for my cat with heart disease! She is able to live a normal life with this medication.”

“I’ve had my cat on Vetmedin for over a year now, and it has helped him so much. He is a very active and playful cat again, and he doesn’t cough or suffer from fainting spells anymore. His blood pressure has gone down and the extra fluid he used to have in his lungs has decreased. He’s doing great on this medication. I’m so happy he’s back to normal again!”

“I’ve had my cat on Vetmedin for about a year now, and she takes it twice a day without any problems. She seems to be doing well on it, and I haven’t noticed any side effects from the medication yet. It’s been effective for managing her congestive heart failure symptoms, so I’m happy with it so far!”

“I have a 13-year-old cat with congestive heart failure. My vet prescribed Vetmedin. I was a little apprehensive at first because one of the side effects listed is ‘reduced appetite.’ My cat has always had a great appetite, and I really didn’t want to see her lose it. However, she has been taking this medicine for over a month now and is eating just fine. She also seems to be gaining some weight back, which is good because she lost some when her illness first started.”

Conclusion of Vetmedin for cats

The effectiveness of Vetmedin for cats with congestive heart failure has been evaluated and proven in both felines and canines. It is reported that the drug provides improved quality of life for about four years after the onset of congestive heart failure. It is recommended to give the medication with food to help reduce stomach upset.

Vetmedin does have side effects like any other medication. Common side effects include digestive upset, increased drinking and urination, coughing, lethargy, and vomiting. When given with other heart medications, interactions can occur. Vetmedin requires a prescription from your veterinarian.

Vetmedin may interact with digoxin, diuretics (water pills), nonsteroidal anti-inflammatory drugs (NSAIDs), potassium supplements, or potassium-sparing diuretics. Tell your veterinarian about all medications and supplements your pet takes. Do not give any medication to your pet without first talking to your veterinarian.

Vetmedin should be administered with caution in dogs and cats with pre-existing liver and kidney disease. The safety of the drug has not been evaluated in pregnant or lactating animals. If you miss giving your pet a dose of Vetmedin, give it as soon as you remember or if it is close to the next scheduled dose, skip the missed dose and return to the regular schedule. Do not give two doses at once. Store Vetmedin in a tightly sealed container at room temperature away from excess heat.

A few final notes: Vetmedin should not be used in pets that are allergic to it or any of its ingredients. It should also not be used in pets with severe liver disease or peptic ulcers as this could lead to more serious conditions such as seizures or kidney failure. If you have any questions about these potential side effects then please discuss them at length with your vet before starting treatment.


Hannah Elizabeth is an English animal behavior author, having written for several online publications. With a degree in Animal Behaviour and over a decade of practical animal husbandry experience, Hannah's articles cover everything from pet care to wildlife conservation. When she isn't creating content for blog posts, Hannah enjoys long walks with her Rottweiler cross Senna, reading fantasy novels and breeding aquarium shrimp.

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