How to Tell if Cat Has a Fever

How to Tell if Your Cat Has a Fever

Cats, like humans, can become sick and develop a fever. As a responsible pet owner, it is important to be able to recognize the signs of illness in your feline friend. Here are some key indicators to help you determine if your cat has a fever:

1. Increased Body Temperature: The normal body temperature for a cat ranges between 100.5°F and 102.5°F. If you suspect your cat has a fever, you can use a digital thermometer to take its rectal temperature. Anything above 102.5°F is considered elevated.

2. Lethargy: A fever can cause your cat to become unusually tired and less interested in its usual activities. If your cat is spending more time resting and seems less playful, it may be a sign of a fever.

3. Loss of Appetite: Cats with a fever may experience a reduced appetite or refuse to eat altogether. Keep an eye on your cat’s eating habits, as a lack of interest in food can be a symptom of illness.

4. Shivering: Just like humans, cats may shiver when they have a fever. If you notice your cat trembling or shaking, it could be an indication of an elevated body temperature.

5. Warm Ears and Paws: When a cat has a fever, its ears and paw pads may feel warmer than usual. Gently touch these areas to check for increased warmth.

6. Dehydration: Fever can lead to dehydration, so it is important to monitor your cat’s water intake. If your cat is drinking less water or showing signs of dehydration like dry gums and sunken eyes, it may be unwell.

See also  How to Know if Dog Has Ear Infection

7. Behavioral Changes: Cats with a fever may exhibit behavioral changes such as irritability, aggression, or a desire for isolation. If your cat is acting unusually, it could be a result of an underlying illness.


1. Can I use a regular thermometer to check my cat’s temperature?
It is recommended to use a digital thermometer specifically designed for pets. Rectal temperature is the most accurate method for cats.

2. What should I do if my cat has a fever?
If your cat has a fever, it is best to consult your veterinarian. They can determine the underlying cause and provide appropriate treatment.

3. How can I make my cat more comfortable if it has a fever?
Ensure your cat has a comfortable resting area, provide plenty of fresh water, and monitor its temperature regularly. Follow any advice or medication prescribed by your veterinarian.

4. What are common causes of fever in cats?
Infections, inflammation, immune disorders, and certain medications can lead to fever in cats. Your vet can help identify the underlying cause.

5. Can I give my cat over-the-counter fever reducers?
No, never give your cat any medication without consulting your veterinarian first. Some human medications can be toxic to cats.

6. Can stress cause a fever in cats?
Stress alone may not directly cause fever, but it can weaken a cat’s immune system, making it more susceptible to developing an illness with a fever.

7. How long does a cat’s fever typically last?
The duration of a cat’s fever depends on the underlying cause. It can last a few days to several weeks. Your vet can provide a more accurate estimate based on your cat’s condition.

See also  When Do Cats Lose Baby Teeth

Remember, it is always best to consult with your veterinarian if you suspect your cat has a fever or any other health concerns. Early detection and proper treatment can help ensure your feline companion recovers quickly and stays healthy.