How to Tell if a Cat Has a Fever

Cats are experts at hiding signs of illness, which can make it difficult for pet owners to detect when something is wrong. Unlike humans, who often develop visible signs like flushed skin or sweating, cats show fever symptoms in different ways. Knowing what to look for can help you recognize when your feline friend needs veterinary attention.

 

 

What Is Considered a Fever in Cats?

A cat’s normal body temperature ranges between 99.0°F and 102.5°F. Anything above 102.5°F is considered a fever, and temperatures exceeding 106°F can be life-threatening. A cat’s body temperature can easily be affected by the stress of being in the clinic, it may be increased for this reason. Unlike humans, who can develop a fever from mild infections or even external factors like overheating, a fever in cats usually signals an underlying issue such as an infection, inflammation, or another medical concern. Fever is the body’s natural response to fighting off illness, as increased temperature helps kill bacteria and viruses. However, prolonged fevers can be dangerous, leading to dehydration and other complications.

Common Signs That Your Cat Has a Fever

Because cats naturally hide discomfort, fever symptoms can sometimes go unnoticed until the illness progresses. Here are some common signs that may indicate your cat has a fever:

Lethargy and Decreased Activity

If your cat is usually active and playful but suddenly becomes sluggish or uninterested in their surroundings, this could be a sign of a fever. A fever often causes fatigue as the body directs its energy toward fighting off an infection.

Loss of Appetite

A sudden refusal to eat or a noticeable decrease in appetite is another common symptom of fever in cats. If your cat skips multiple meals, it may indicate an underlying illness requiring veterinary attention.

Warm Ears and Paws

While not always a definitive sign, you may notice that your cat’s ears and paws feel warmer than usual. While a cat’s body temperature naturally fluctuates throughout the day, a consistently warm touch can be a sign of an elevated temperature.

Hiding More Than Usual

Cats instinctively seek secluded places when they feel unwell. If your typically social cat is suddenly hiding under furniture or avoiding interaction, it may be a sign that they are not feeling their best. Cats may also be extra clingy if they are not feeling that well.

What Causes a Fever in Cats?

A fever in cats usually results from the body responding to an infection or inflammation. Several potential causes can lead to an elevated temperature, including:

• Bacterial or Viral Infections: Many feline fevers are caused by infections, such as respiratory illnesses, urinary tract infections, or abscesses from bites or scratches. Fevers help fight off these infections, but if the fever persists, veterinary treatment may be necessary.
• Inflammatory Conditions: Certain inflammatory conditions, such as pancreatitis or autoimmune diseases, can trigger fever in cats. These conditions may require ongoing management and veterinary care.
• Parasites or Fungal Infections: Ticks, fleas, and other parasites can carry diseases that cause fever in cats. Additionally, fungal infections, although less common, can also contribute to a feverish state.
• Post-Surgical or Vaccination Reactions: Some cats may experience a mild fever after surgery or vaccinations. These fevers typically resolve within a day, but if they persist, consulting a veterinarian is recommended.

How Is a Fever in Cats Diagnosed?

If you suspect your cat has a fever, the best way to confirm it is by using a rectal thermometer, as this provides the most accurate reading. However, taking a cat’s temperature at home can be challenging and stressful for both you and your pet. If you are unsure how to tell if a cat has a fever, your veterinarian can safely assess your cat’s condition.

Veterinary Diagnosis

Your veterinarian will perform a physical exam to check for fever symptoms and any underlying issues. Additional tests, such as blood work, urinalysis, or imaging, may be needed to determine the cause of the fever.

When Should You Seek Veterinary Care?

You should seek immediate veterinary attention if:

• Your cat’s fever exceeds 104°F
• They are refusing food or water for more than a day
• They exhibit severe lethargy or difficulty breathing
• Their fever lasts for more than 48 hours

Helping Your Cat Feel Better

While only a veterinarian can diagnose and treat a fever properly, you can help keep your cat comfortable while seeking veterinary care. Offer fresh water to prevent dehydration and keep them in a quiet, stress-free environment. Avoid giving human medications, as these can be toxic to cats. The safest course of action is always to consult with a professional. If you suspect your cat has a fever and need expert guidance, contact Pinnacle Veterinary Specialists at (610) 477-8797 to schedule an appointment.