Showing posts with label upper respiratory infections. Show all posts
Showing posts with label upper respiratory infections. Show all posts

Friday, 25 November 2022

Woman adopted three kittens who had their eyes removed

The Express newspaper carries a story which caught my eye, but which is a slight misrepresentation of the truth as I see it. The headline is "Pet owners warned about illness that is leaving kittens and cats at risk of blindness".

They say that cat flu exposes a kitten to the possibility of blindness. And the way they've pitched the story is that the three kittens caught cat flu and lost their eyes, but I would very much doubt that that is the case (but it can rarely happen). And under normal circumstances cat flu is not a treat to kittens in terms of causing blindness. The kittens' owner would have to be incredibly careless if it did happen.

Note: this is the image from The Express newspaper, but it appears to be a stock photo (Getty Images), and these are not therefore the kittens concerned. These kittens have not lost their eyes, I believe. They are just sleeping. The image is published here under fair use principles as this page is educational.

What is far more likely, but I am guessing is that the three kittens were rescued by an animal rescue organisation and brought to a veterinarian. They probably developed secondary bacterial infections in their eyes after they caught cat flu (a viral infection), and this is indeed very common.

When bacterial infections of the eye are untreated, the bacteria eat away at the eyeball and renders the kitten blind. It can affect one eye or both.

This dire state is brought about through lack of veterinary treatment which would be the administration of antibiotics to kill the bacteria.

Normally, you are not going to get that situation occurring in a home with domestic cats. If for some unknown reason a person is allowing their cats to breed informally, they will end up with kittens but unless they are incredibly callous and careless, they will notice that their kittens have a cat cold and deal with it in the normal way.

The treatment might include an early dose of antibiotics to prevent the emergence of a secondary bacterial infection. In short, you're not going to get untreated bacterial infections of the eyes unless you are dealing with a very careless cat owner or stray and feral cats.

When I read the article, I thought I would need to look for some mysterious illness but right away I realised that this was about URIs (upper respiratory infections). And this did not square up with the tone of the article which implied that they were writing about domestic cats in general.

Regarding vaccinations, they can help to prevent cat flu as the cat flu component is included in the primary vaccination course and often in a booster programme.

RELATED: Infographic on URIs in domestic cats.

However, sometimes cat owners are careless on vaccinations as well as being careless on allowing their cats to breed. This is a small minority of people, but it is significant because the contribute to the population of unwanted cats.

The person who adopted the three kittens, a Greater Manchester resident, Su Taylor, said that they are coping well. She said: "They've settled in wonderfully and run around like normal cats. But it is a shame they had to lose their eyes as it didn't need to happen".

That implies to me that she is referring to a domestic cat owner who was careless and allowed the kids to develop bad eye infections which shouldn't happen obviously. But as I've stated it is far more likely that kittens who develop these eye infections are abandoned cats or feral cats.

RELATED: What antibiotics are used for upper respiratory infections in cats?

Tuesday, 30 August 2022

Can cats catch kennel cough from dogs?

YES, is the answer to the question. The phrase "kennel cough" refers to a respiratory infection caused by both bacteria and virus but the most common cause is the bacteria Bordetella bronchiseptica. Cats can transmit this disease to dogs as well but my feeling is that this is rare. How many cats have bad coughs? Rare, I would say but I don't live with a cat and a dog. The disease transmits both ways. And between other species of animal. It is highly contagious. Cats and dogs in kennels, hence the name, are the most vulnerable because they are close together, confined to one place.

Cat coughing
Image: Warren Photographic published here with his permission.

Both cats and dogs can acquire kennel cough from a variety of microorganisms including parainfluenza virus, adenovirus, reovirus and the distemper virus. They might get it from mycoplasma. But as mentioned the most common cause is the Bordetella bacterium and if a cat is exposed to it in direct contact with an infected animal such as a dog, they might catch the disease.

When a cat gets it, they shed rod-shaped bacteria in their nasal secretions and saliva and when they sneeze, they shed fluid droplets containing the bacteria. Any other cat or dog nearby main inhale the infected droplets.

This is a highly contagious disease because if a dogs sneezes on some bedding a cat might then pick up the bacteria from that bedding later on. This is indirect transmission. In fact, indirect transmission is a common method of getting the disease. The bacteria can survive for 1-2 weeks on objects unless the area is rigorously disinfected under protocols suggested by your veterinarian.

Kennel cough affects the lungs, windpipe and voice box. It is not usually dangerous and it clears up without treatment within a few weeks but I suspect that veterinarians prescribe antibiotics.

Dogs with the disease might feel ill. Kennel cough has an incubation period of 2-14 days. Puppies and elderly dogs and animals with an existing condition may develop complications such as pneumonia.

A kennel cough vaccine is available and dogs staying in kennels are often required to take the vaccination.

Kennel cough sounds like a forceful hacking cough as if something is stuck in a dog's throat. It can be dry and hoarse and it might be followed by a gag and swallowing because of the production of mucus. A similar sound is made by reverse sneezing to which certain breeds are susceptible.

There might be associated sneezing and mucus discharge. The animal should retain their appetite. A veterinarian might prescribe cough suppressants and anti-inflammatories to make the animal more comfortable.

Veterinarians diagnose kennel cough by the symptoms and the circumstances under which they live. Swabs might be taken to determine the virus or bacteria.

Sources: numerous on the Internet but mainly veterinarian's websites for which I am thankful.

Saturday, 13 November 2021

Preventing cat diseases through inoculations harnesses the body's natural ability to fight infection

Infectious agents are viruses or bacteria normally. In vaccines, the infectious agent is modified. It is no longer infectious. This is achieved by killing it or modifying it so that it is alive but no longer infectious. Or in the creation of a vaccine, the scientists take vital components of the infectious agent or enslave bacteria through genetic engineering to produce replicas of those parts in the words of Dr. Bruce Fogle (Complete Cat Care). 

URI in a cat. Typically caused by the herpes virus. Photo: urbananimalveterinary.com
URI in a cat. Typically caused by the herpes virus. Photo: urbananimalveterinary.com.

The resulting vaccine is similar to the unmodified form of the infectious agent. This provokes the cat's immune system to create antibodies. Antibodies are proteins that attach to and help destroy the specific infectious agent against which the vaccine works.

Kittens acquire their mother's antibodies in her milk and therefore take some protection from their mother when they suckle from after birth. These are temporary antibodies which last around 6 to 10 weeks.

There are a variety of vaccines available for cats.

Feline infectious enteritis

There is a vaccine against feline infectious enteritis. This is also known as feline panleukopenia or feline parvovirus. This is a virus that can survive for a long time in the environment. The symptoms include diarrhoea, vomiting and sometimes death. It is especially dangerous to kittens. The vaccine against this disease is very effective and it provides protection for a long time.

RELATED: Feline Distemper Symptom

Cat flu

Cat flu is usually caused feline herpesvirus or feline calicivirus. The disease is spread by close contact with cats that carry the disease. Most upper respiratory infections (URIs) in domestic cats are caused by these cat flu viruses.

The symptoms are mild to severe including pharyngitis (a sore throat) eye inflammation and discharge, nasal discharge, sneezing, coughing, and mouth ulcers. A complication is pneumonia which can be life-threatening. 

RELATED: Feline Herpes Virus

Some cats may suffer permanent damage to the nose or eyes. There might be a secondary bacterial infection. This can destroy eyes. You will see many blind, ex-feral cats whose eyes had been destroyed by bacterial infections.

RELATED: Is L-lysine good for herpes virus in cats?

Some cats recover quite quickly in a few days while others might take weeks. The vaccination against these viruses protects the cat from serious illness. It does not protect against infection. Cats that are vaccinated can carry the disease and pass it on to others. These carriers are asymptomatic.

Feline leukaemia virus

Feline leukaemia virus is described as 'fragile' and it is transmitted through saliva during prolonged close contact between cats. When a cat becomes infected it lasts for their lifetime and most cats die within three years of being diagnosed. This is usually because of related illnesses such as lymphoma or anaemia.

RELATED: RetroMAD1: Possible new drug for fighting Feline Immunodeficiency Virus and Feline Leukaemia

Around 1% of all healthy cats test positive. Up to 18% of all ill cats seen by veterinarians have this disease. In the selective breeding of purebred cats, blood testing has been effective in reducing the incidence of this disease. The vaccine against it provides protection to at-risk cats but not necessarily all cats.

Rabies

Rabies is well known. It's a virus which attacks the central nervous system. It is fatal. It can infect almost all warm-blooded animals. It is most common in members of the canine family, monkeys, bats and cats. The virus is excreted into the saliva of the animal and it can be transmitted to people normally through bites. The disease is zoonotic.

RELATED: How often do cats transmit rabies to people in the USA?

In some places vaccination against this disease is mandated and for travelling cats. The vaccine provides effective and efficient protection which lasts for three or more years.

P.S. The principles of vaccination is better known to all of us because of Covid. It is shocking however that there are still millions of people who fear the Covid vaccines despite worldwide approval and the biggest testing program ever.

Wednesday, 28 April 2021

How do I know if my cat has a cold?

This is an easy question to answer, at least at a fundamental level, because the symptoms of a cat cold are very similar to those of a human cold. Veterinarians call cat colds "upper respiratory infections" or URIs. So you only have to think about people when they are suffering from a cold to recognise one in your cat. Remember, though, that cats cannot catch colds from us and vice versa because the viruses that cause cat colds are not zoonotic.

How do I know if my cat has a cold?
 How do I know if my cat has a cold? Recuperating. Photo: Pixabay.

So what are the symptoms? Well the symptoms from the herpesvirus last from 2 to 4 weeks and include sneezing and a discharge from the nose. There may be conjunctivitis in the eyes (pink eye) which is a secondary bacterial infection and possibly corneal ulcers if the disease is untreated. There might be drooling from the mouth and a fever. Pneumonia is rare from this disease and your cat is likely to be lethargic.

The symptoms from another well known virus causing cat colds, namely the calicivirus, includes a discharge from the nose, a discharge from the eyes, chronic gingivitis, ulcers of the mouth, fever (sometimes), pneumonia (common), lethargy (mild) and lameness.

I have mentioned the two major viral groups which are responsible for the majority of clinical upper respiratory infections in cats (80% to 90%). There are considerable variations in the severity of the illness. Some cats have mild symptoms while others have rapidly progressing severe symptoms which can sometimes lead to death. What percentage of cats have herpes?

Antibiotics can deal with any secondary bacterial infections such as conjunctivitis. As for the viral component of the disease, the patient should be rested and the atmosphere humidified. The patient should be confined to a warm room with a vaporiser. Eating and drinking should be encouraged because dehydration and anorexia can weaken a cat. 

Highly palatable foods with a strong smell should be provided. You can dilute with water. Supplemental fluids can be given using a syringe (ask your veterinarian about this or look it up on the Internet). Once your cat begins to eat and drink again the worst of the disease is over.

It is advised to wash and disinfect bedding, bowls, cages and other items that the patient comes into contact with to prevent a spread of the disease to any other cat in the home. Human caretakers can also be part of the spreading process and therefore they should change their clothing, wear disposable shoe covers and wash their hands frequently.

There is no substitute for asking a properly qualified veterinarian for advice but on recognising a cold in a cat, think about people and the symptoms that they display under the same circumstances.

Monday, 18 April 2016

Can cats get colds?

Yes, cats can get colds. The symptoms are like ours but the viruses causing the cold are different; herpesvirus and calicivirus. The cause upper respiratory infections which people refer to as URIs.

That's it really in terms of answering the question in the title. You can read about feline viruses on this page.

The best disinfectant is bleach. However there is a link between bleach and infections in kids.

Some breeders use L-lysine to help manage persistent herpes virus infections (read more).

The feline herpes virus is a bit of a monster in causing a lot of ill-health. There are many pages on it.

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