Upper Respiratory Infection Average Cost

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What is Upper Respiratory Infection?

These infections are also referred to as Feline Infectious Respiratory Disease, or Feline Upper Respiratory Disease Complex (URD) in the veterinary community. The infections vary in severity and have the potential to become life threatening.

Upper respiratory infections are extremely common ailments among cats. Most often the presence of an upper respiratory infection is seen by ocular, nasal, throat and lung irritation and discharge. These infections are spread from contact with other infected cats, and are especially rampant in areas where large groups of cats interact with each other. Kittens, unvaccinated cats, elderly cats and cats with immune deficiencies are the most susceptible to upper respiratory infections.

Symptoms of Upper Respiratory Infection in Cats

While there are different forms of upper respiratory infections, they share similar symptoms. They are as follows:

  • Nasal discharge (can be containing pus or be clear)
  • Ocular discharge
  • Enlarged lymph nodes
  • Coughing
  • Sneezing
  • Mouth ulcers
  • Loss of appetite
  • Weight loss
  • Conjunctivitis (inflamed eyelids)
  • Fever
  • Depression
  • Discomfort
  • Lethargy
  • Blepharospasms (squinting)

Your cat may exhibit many or few of these symptoms. Cases change in severity from cat to cat.

Causes of Upper Respiratory Infection in Cats

Upper respiratory infections are mainly caused by viral infections, however, in rare cases bacterial infections may be responsible. 

Feline Herpesvirus (FHV) 

A more severe form of virus that remains in the cat’s body for the rest of its life. Eye infections are commonly seen with this virus, along with coughing, sneezing, loss of appetite, pharyngitis (sore throat) and inflamed trachea. The virus will manifest itself whenever the cat experiences a time of stress thereafter in its life, with the cat being potentially contagious forever.

Feline Calicivirus (FCV) 

Less severe symptoms are experienced with this virus although more mouth ulceration may be present. There is also an increased risk of developing pneumonia with this virus. The cat may become a carrier once recovered, and could then be contagious whenever shedding the virus.

Bordetella Bronchiseptica 

A bacterial infection that may cause upper respiratory problems in cats. Generally associated with fever, sneezing, swollen lymph nodes and lung complications.

Chlamydophila Felis 

A bacterial infection often associated with eye infections and mild sneezing.


A bacterial infection with symptoms of ocular discharge and eye swelling. 

Feline Reovirus 

A viral infection of the intestines that can sometimes mimic symptoms of a respiratory infection.


A bacterial infection that is often transmitted via animal bites. 

All of the aforementioned infections become rampant in situations where many cats are in contact with each other. Because of this, animal shelters, feral cat colonies, and any other large group of cats are at the highest risk of housing viral or bacterial infection epidemics. These upper respiratory infections can be spread from cats hissing, spitting, grooming or even sleeping near each other. Sharing food dishes or litter boxes can also spread infection.

Diagnosis of Upper Respiratory Infection in Cats

Your vet will likely examine the cat and take note of all specific symptoms your cat is experiencing to rule out other possibilities. The vet will match your cat's symptoms to characteristic clinical signs associated with each type of upper respiratory infection to diagnose the animal. 

At this point, if your vet is still unsure of the type of infection at hand, or if the cat is responding very poorly to the infection, a PCR (Polymerase Chain Reaction) test will be administered. A swab from the mouth, eye or throat is collected and then sent to a lab for the test to be run. 

Further tests may be run if FIV (Feline Immunodeficiency Virus) or FeLV (Feline Leukemia Virus) is suspected. If pneumonia has developed, a transtracheal wash may be done to collect lung samples. If the condition has become chronic, further tests may be needed including blood tests, chest and skull X-rays, and culture tests of abnormal discharge.

Treatment of Upper Respiratory Infection in Cats

There is no cure for viral infections, so treatment is symptomatic. Your vet will combine some or all of these methods depending on the symptoms your cat is experiencing, and the severity of the infection. 


If your cat has developed any secondary infections due to the virus, antibiotics will be prescribed to stop the infections from progressing. 

Steam Inhalation 

To restore some function to the nose, and to entice eating through aromas, a cat may be subjected to steam to loosen or liquify nasal discharge.

Injectable Interferons 

If the virus is caught early on, injecting these proteins may help fight the infection before it fully develops in your cat.

Topical Antiviral Agents 

These agents are applied locally as an ointment or cream to treat the infection. Often, trifluridine, idoxuridine or cidofovir will be prescribed.

Ophthalmic Ointment 

This ointment is used to treat eye infections and irritants affecting the cat.   

Appetite Stimulants 

If the cat still refuses to eat after wet food or aromatic food in oil have been given, an appetite stimulant will be given to help prevent the cat from developing anorexia.

Feeding Tube

If weight loss becomes too severe and the cat is not responding to food, a feeding tube may be administered to ensure the cat is receiving nutrients and fluids. 

Recovery of Upper Respiratory Infection in Cats

A virus will usually run its course in 1-4 weeks. If it persists longer, another vet appointment may be necessary. To prevent the infection from spreading to other cats, all items the cat has been in contact with should be sanitized. Bleach, accelerated hydrogen peroxide, or trifectant (potassium peroxymonosulfate) are excellent agents for killing the viral or bacterial remains. Fresh air should be ventilated into the area to remove any infected aerosol content. Keep the cat quarantined for some weeks after symptoms have disappeared, and vaccinate any other cats in the home in the meantime. 

Reduce any possible stress your cat may experience. Especially with FHV, cats are prone to flare ups whenever experiencing stress. Diet change may be needed in cases of symptom recurrence, along with additional veterinary oversight to ensure FIV or FeLV have not developed.

Upper Respiratory Infection Questions and Advice from Veterinary Professionals

2 Years
Mild condition
0 found helpful
Mild condition

Has Symptoms

Weight Loss

My 2 Yreka old female cat I have noticed some weight loss but she is super active. I was told by her vet that cause she is indoor she only needs soft food. So I recently switched her to soft food. She has been eating normal and as far as I can tell been drinking water normally she's also been using the litterm box too. I am concerned

Dr. Callum Turner, DVM
1675 Recommendations
I generally advise against soft food as it can cause many different issues which dental disease, therefore I prefer kibbles but if you will give a soft food you should brush her teeth regularly. It may be that you need to give Dezy a little more food to help keep her weight up, if the weight loss continues switch back to the previous diet to see if she gains weight again. Regards Dr Callum Turner DVM

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Mild condition
0 found helpful
Mild condition

Has Symptoms

Swollen Lymph Nodes
Clear vomit
Eye Discharge
Pink eye

We brought a kitten home unknowingly with pinkeye. Our 2.5 year old cat contracted it as well even though they were kept separate for some time. They were both treated and the problem was solved. However, the adult cat has been having pink eye recurrences and very swollen neck lymph nodes, occasional vomiting episodes with only a clear liquid, and I have noticed her wheeze a few times.

She has quite the appetite still and a very pleasant, chatty, and snuggly attitude still. I think I'm more upset than she feels.

Any suggestions or thoughts on what this is?

Read more at: https://wagwalking.com/cat/condition/upper-respiratory-infection

Dr. Callum Turner, DVM
1675 Recommendations
If MG is having repeat occurrences of pink eye, you should visit your Veterinarian again especially if there are swollen lymph nodes and other symptoms; a prolonged treatment for the pink eye may be required as well as a systemic treatment as well. Without examining MG, it is difficult to determine if there is any other underlying issue causing these symptoms. Regards Dr Callum Turner DVM

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Tabby orange
3 Years
Mild condition
0 found helpful
Mild condition

Has Symptoms

Lethargy, sneezing, no appetite,

Medication Used

Antibiotics started today

What should I do about my new adopted 3 yr old cat from the shelter? She’s been sneezing, watery eyes, no appetite and lethargic. I gave her some treats to motivate her to eat but, she threw it up. I’m worry if she doesn’t eat will lose weight or get worst. Help!! Pls advice! Thx!

Dr. Callum Turner, DVM
1675 Recommendations
If Dolce has been started today on antibiotics you should do nothing else except administer the dose prescribed and ensure that she is drinking and eating. When a cat goes into a new home they are exposed to a new environment which may irritate their respiratory tract and cause respiratory symptoms; see how she is with the antibiotics, if there is no improvement return to your Veterinarian. Regards Dr Callum Turner DVM

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10 Years
Mild condition
0 found helpful
Mild condition

Has Symptoms

Nasal Discharge

My 10 year old cat has been sneezing, coughing, and has black "snot" getting stuck in his nose. He is still eating fine, hasn't lost any weight, and is still very active. Should I bring him in to get checked, or should I continue to monitor him?

Dr. Callum Turner, DVM
1675 Recommendations

The black mucus may be down to dust irritating his nose giving the appearance of black snot, this snot may also cause irritation to the throat causing coughing and sneezing. Allergies, chemical irritation or an infection may be causing these symptoms. Try Jack with 2mg of chlorpheniramine (antihistamine) twice per day to see if the symptoms improve, otherwise keep an eye on Jack and bring up the problem with your Veterinarian at Jack’s next visit. Regards Dr Callum Turner DVM

We brought a kitten home unknowingly with pinkeye. Out 2.5 year old cat contracted it as well even though they were kept separate for some time. They were both treated and the problem was solved. However, the adult cat has been having pink eye recurrences and very swollen neck lymph nodes, occasional vomiting episodes with only a clear liquid, and I have noticed her wheeze a few times. Any suggestions?

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9 Years
Has Symptoms
Not Eating Food
Eye Discharge
Weight Loss
I adopted my cat Jackson about a month ago. He was sneezing and had watery eyes, but I thought it was just allergies. Now he's not acting right at all. He's hiding, which he never has done. He refuses to eat or drink anything, he doesn't want to be touched, and he is acting really grumpy. In addition, he is drooling, there's a clear discharge coming out from both eyes, and he coughs really bad. He is normally a very talkative cat, but the only noises he makes are grunting sounds. I'm very worried because he does not look good. Today is Sunday and no vet clinics are open, the ones that are were unwilling to look at him without an appointment, which they said they were all taken. I'm not really sure what to do. Any suggestions?