Cats Deaths From ConveniaCats Deaths From ConveniaConvenia Antibiotic and Cat Deaths

Convenia is a long-term antibiotic but Is it worth the risk? are there any dark sides or convenia?

At present, there are many reports of cat deaths from Convenia i.e. Cefovecin Sodium. In fact, it is the most used antibiotic in Australian cats. However, unlike regular antibiotics, which are rapidly cleared from the body, Convenia remains withinside the body for 2 months or longer.

All tablets have a few side effects. While a few cats can also additionally do just fine with Convenia, others may have side effects starting from mild to life-threatening.

And with an extended performing drug like Convenia, there’s no way to simply stop giving the medication – it is already in your fur ball’s system. 

Therefore, let us find out some interesting facts about Convenia. And then you can decide whether it is deadly for your cat or not. 

How does CONVENIA work?

According to, the drug kills the bacteria by breaking down the cell walls. In fact, within 30 minutes, Convenia reaches the site of infection.

However, within 4 hours, it reaches a huge enough concentration to kill the bacteria. It continues to kill the bacteria for about 14 days.

According to Dr. Pete Wedderburn, DVM from Convenia is a Third Generation Cephalosporin Antibiotic and It is safest to use if your cat only requires a full 14-day course of antibiotics.

What Is Convenia Used For In Cats?

Convenia must only be utilized in situations wherein cats require a complete 14-day course of antibiotics. In fact, Convenia is beneficial in conditions wherein it is difficult or not possible to provide a cat with normal oral antibiotics.

Convenia is most normally used for the extended remedy of skin and soft tissue infections, urinary tract infections, and as a part of the management of extreme periodontal disease.

Also, it has appropriate efficacy towards the bacteria generally related to these conditions.

Vets might also additionally sometimes give proprietors a choice among a course of antibiotic tablets or a single injection of Convenia.

The drug isn’t always as highly powerful as a few other antibiotics against some bacteria (e.g. Pseudomonas). Therefore, it is a choice of the vet as to whether or not Convenia is a suitable preference for a specific case.

Convenia dosage table

WeightThe volume of the medicine
2 kg0.2 ml
2.5 kg0.25 ml
3 kg0.3 ml
3.5 kg0.35 ml
4 kg0.4 ml
4.5 kg0.45 ml
5 kg0.5 ml
5.5 kg0.55 ml
6 kg0.6 ml
6.5 kg0.65 ml
7 kg0.7 ml

How Long Does It Take For Convenia To Work In Cats?

Every cat and every infection is different. Peak blood levels are visible within 2 hours in felines and 6.2 hours in canines. Ultimately this means that Convenia can begin killing the bacteria quickly.

The antibiotic is generally absorbed into the stream from the injection site within hours, generating excessive levels in the bloodstream which last for 2 weeks.

This durable impact is made feasible because of excessive levels of binding of the drug to proteins withinside the bloodstream. It prevents it from being swiftly metabolized and excreted in the same manner as most injectable antibiotic preparations.

What Are The Side Effects Of Convenia On Cats?

One challenge concerning Cephalosporin-based medicines is the threat of allergy in either the affected person or anyone dealing with the drug.

Thankfully, due to the fact Convenia is injectable, it isn’t a threat to the pet parent, while tablets ought to be. As with any medication, there’s a threat of an allergic reaction, however, this threat could be very minimal.

Slightly more common outcomes consist of diarrhea, vomiting, or decreased appetite. However, these are still particularly uncommon. In fact, there are also occasional reviews of neurological signs like seizures. However, these are very uncommon.

Also, there have been times when Convenia has been reported to intervene with the bone marrow and its production of red and white blood cells. However, again this is a totally uncommon side effect.

Because Convenia is stored withinside the refrigerator, a few felines react to the cool sensation while the injection is given. Otherwise, the injection isn’t anticipated to be painful.

However, there are occasional reviews of inflammation in the location in which the injection has been given.

How Much Does Convenia Cost?

The vet usually gives prescriptions for Convenia. So the supply chain incorporates producer to wholesaler to vet clinic.

The rate paid for Convenia by pet carers relies upon the pricing structure operated by each of these 3 entities and varies from region to region.

If you’re worried about the cost of Convenia, you must ask your vet for an estimate earlier than he administers the injection.

In general, Convenia is probably to be more highly priced than an equivalent course of antibiotic pills.

Is Convenia Injection Safe For Cats?

Convenia is broadly used throughout the feline population, with some provisos.

First, it isn’t always generally recommended in kittens less than eight weeks of age.

Second, there is no proof of safety in pregnant or lactating felines.

Third, a reduced dose ought to be given if felines are presently having renal failure.

Fourth, and obviously, it should not be given to felines with recognized hypersensitivity to β–lactam antibiotics.

Convenia is safe for older felines. However, as said previously, this choice is for a vet to make in preference to the owner.

Alternatives of Convenia

Antibiotic Pills

Normally, the primary line of treatment must encompass using oral medicine and the first generation of antibiotics. It is the only and easy course for treating both human beings and animals.

It affords a safe direction of administration with sound absorption and excretion overstated half-life of remedy. However, one needs to be careful with its use in the cat. The cat may take it conveniently. However, it’d get caught in the throat.

Some drugs that are contraindicated for use here in the feline are irritation and alteration or blockade in the esophagus structure.

Liquid Dosage Forms

Some antibiotics, for instance, Clindamycin and Clavamox, are available as flavoured liquids. In fact, they come withinside the form and are handy to administer.

Also, it is a metered dose. The best thing is there’s no chance of medicine stuck in the oesophagus. Plus, to make it palatable, it is available in different flavours of hen and fish.


It is another course of providing drugs to the pet. Here the drug finds its way into the body through an application on the skin. However, this isn’t a relevant route for giving antibiotics wherein the body requires higher levels.

Only the above 3 techniques can offer enough levels necessary for generating a pharmacological effect.

Final words

Convenia is a set of cephalosporin that is used in skin infections and different infectious situations in felines and canines. In fact, the use has been monstrous besides the reported feline deaths from convenia.

Also, it remains an arguable drug with a few side effects, such as vomiting, nausea, diarrhea, dizziness, loss of appetite,  muscle pain, and fever.

However, many justify it with comparable side effects in other drug treatments and the company openly takes responsibility for the consequences.

Many feline parents do not hazard the feline with the use of convenia. On the contrary, many human beings do opt for convenia, to get the ease of administering one drug.

Vets usually use it for skin situations, urinary tract situations, and post-dental procedures.

However, having gone for the third generation, not only increases the possibilities of superinfection but additionally comes with a hazard to life. Thus, you must have a pre-discussion with the vet to look at all treatment options and say no to convenia.

Frequently asked questions

How Often Can You Give A Cat Convenia?

According to the European Medicine Agency, the frequency of dosage relies upon the infection concerned, you may repeat the injection if necessary (up to 3 times).

What Is The Most Common Cause Of Death In Cats?

The maximum common reasons for loss of life were renal and urologic disorders, accompanied by infection, cardiovascular disorders, neoplasia, and trauma. 

Can Convenia Cause Seizures In Cats?

Convenia can cause diarrhea, vomiting, and bad appetite, and sometimes even make at-risk pets more vulnerable to seizures.