Fever in cats How to detect it?

Few situations are more distressing than those in which you feel your pet restless or distressed. Fever is one of them and can be due to a wide range of possible infectious processes. Knowing how to identify the symptoms will help you to provide the care it demands. Without a doubt, you will contribute to alleviating their discomfort.

But how do you know if a cat has a fever? In this post we are going to show you what are the causes, symptoms and action guidelines that you should implement before taking it to your veterinarian’s office. We started!

What is the normal temperature of a cat and when is it considered fever?

The normal temperature of a healthy adult cat ranges between 38º and 39.5º. From that temperature, we can consider that our cat is in a feverish state.

The puppies, however, have a somewhat higher temperature, generally over 39º or 39.5º, but since puppies are extremely sensitive, if we appreciate a slight rise or other symptoms, we must urgently go to the vet.

To take your temperature, we must insert the tip of the thermometer (a couple of centimeters) into your rectum (anus). If he does not leave us because he is very nervous, it is best to have the vet take his own temperature.

Causes of fever in kittens

Regardless of its trigger, fever is the reaction, in the form of a rise in body temperature, to an infection or disease that is raging in your cat’s body.

Although it is true that not all pathologies include fever among their symptoms, the predominant causes in its appearance are the following:

  • Viral or bacterial diseases such as feline leukemia or panleukopenia.
  • The flu or a common cold.
  • Viral, bacterial or fungal infections of low virulence.
  • Severe pathologies such as pancreatitis or calicivirus .
  • Tumors, especially in the case of elderly felines.
  • Side effects after taking certain medications.
  • Strong blows or trauma.

Fever symptoms in cats

Aside from the increase in body temperature, there are several signs that should alert you to the presence of fever in your pet. They are these, take note:

  • His nose is dry and hot. Remember that under normal conditions it should stay moist and cool.
  • You spend a lot of time lying down and your eyes are watery, irritated, or so heavy that you need to keep them closed.
  • He has stopped eating or is eating less than he is used to.
  • He is restless with no apparent cause to justify this behavior.
  • You have started to neglect your daily grooming.
  • Your heart rate and breathing are racing.


What should you do if your cat has a fever?

There are 3 aspects on which you should act in order to mitigate the anguish of the feline. Preserving the correct hydration, nutrition and rest of your cat is decisive to prevent the febrile process from worsening.


Make sure he drinks enough water at various times throughout the day to prevent dehydration. If he is not able to drink, help yourself to a syringe, insert it carefully into the side of his mouth and empty it little by little.

If you consider that it is very weak you can resort to an isotonic drink without gas or salt to provide the mineral salts that it needs.


This is another aspect that must remain under control. To do this, you must offer nutritious food that is palatable. If you do not have diarrhea you should opt for a soft diet.


Take him to a quiet and calm room so that he is as comfortable as possible. If you can, leave it on a tile floor and moisten its body with a few compresses. Start at the forehead to continue with the legs and abdomen. Repeat this routine several times throughout the day.

Likewise, you can use a fan to promote air circulation and cool the room. Of course, never allow the fan to direct its action directly towards your cat. It would only aggravate your discomfort by adding a cold to your condition.


When to go to the vet?

If you notice that the fever persists for 24-48 hours or if it reaches 41 ºC, do not hesitate to visit the vet as soon as possible, it could be a serious disease that could compromise the survival of your feline. If you notice any other symptoms, in addition to fever, you should also go to the vet.


The vet will examine it and take a blood sample to identify the cause and prescribe the corresponding treatment. In general, this is usually based on antibiotics. Follow the guidelines provided by the specialist to the letter and go to the follow-up consultation scheduled for you.

As you can see, fever in cats is still part of the symptomatology of many diseases, so if you find yourself in this situation, do not despair. Observe your pet, strive to keep it as comfortable as possible, and visit your vet. With their recommendations and your love, your cat will regain its well-being in a few days.

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