How to Know if a Cat Has a Fever

How to Know if a Cat Has a Fever

As a responsible cat owner, it’s important to be aware of your feline friend’s health. Just like humans, cats can also suffer from fevers, which can indicate an underlying health issue. Recognizing the signs of a fever in your cat is crucial for timely intervention and appropriate care. Here are some key indicators that can help you determine if your cat has a fever:

1. Elevated body temperature: A normal cat’s body temperature ranges between 100.5°F and 102.5°F (38°C and 39.2°C). Anything above this range can be considered a fever.

2. Lethargy and reduced activity: Cats with fevers often exhibit a lack of energy and enthusiasm. They may sleep more than usual and show a decreased interest in playing or engaging in their usual activities.

3. Loss of appetite: Fever can cause cats to lose their appetite. If your feline friend is refusing food or eating less than normal, it may be a sign of a fever.

4. Shivering or shaking: Cats with fevers may experience trembling or shivering, similar to how humans do when they have a fever.

5. Warm ears and paws: Check your cat’s ears and paws. If they feel unusually warm to the touch, it may indicate a fever.

6. Increased heart and breathing rate: Fever can cause an elevation in heart rate and respiration. Observe if your cat’s breathing becomes faster or if you can feel an increased pulse rate.

7. Other symptoms: Depending on the underlying cause, your cat may exhibit additional symptoms like vomiting, diarrhea, coughing, sneezing, or nasal discharge.

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If you suspect your cat has a fever, it’s important to consult a veterinarian for an accurate diagnosis and appropriate treatment. A veterinarian will conduct a thorough examination and may recommend additional tests to determine the underlying cause of the fever.


1. Can stress cause a cat to have a fever?
Stress can contribute to a cat’s overall health, but it is unlikely to directly cause a fever. However, stress can weaken the immune system and make a cat more susceptible to infections that may lead to fever.

2. Should I give my cat medication for a fever?
Never administer over-the-counter medications to your cat without consulting a veterinarian. Some human medications can be toxic to cats. A veterinarian will prescribe appropriate medications if necessary.

3. Can a cat’s fever go away on its own?
In some cases, a mild fever may resolve on its own as the body fights off the underlying cause. However, it’s important to consult a veterinarian to determine the cause and appropriate treatment.

4. Is a fever in a cat contagious?
A fever itself is not contagious, but the underlying cause of the fever, such as an infection, may be contagious. Preventing exposure to other cats is advisable until your cat’s fever has resolved.

5. Can I use a human thermometer to measure my cat’s temperature?
It is not recommended to use a human thermometer to measure a cat’s temperature. Use a rectal thermometer specifically designed for cats, as it provides the most accurate readings.

6. When should I be concerned about my cat’s fever?
If your cat’s temperature exceeds 104°F (40°C), or if they exhibit severe symptoms like seizures, difficulty breathing, or loss of consciousness, seek immediate veterinary attention.

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7. How can I prevent my cat from getting a fever?
Maintaining a clean living environment, providing a balanced diet, regular vaccinations, and promptly addressing any signs of illness can help prevent fevers in cats.