Pet Health

What Are The Signs Of Anemia In Cats?

Learn how to identify signs of anemia in cats! Discover the symptoms, causes, and when to seek veterinary care to keep your feline friend healthy.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
A cat lying on a vet table with a concerned owner, illustrating signs of anemia in cats.

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Is your cat acting differently lately? Maybe they seem more tired than usual, or their appetite isn’t what it used to be. These subtle changes can sometimes signal an underlying issue, like anemia. Anemia in cats can range from mild to severe, and understanding the signs can help you take action quickly to protect your furry friend’s health.

⚠️ What to Watch For

Anemia occurs when your cat has fewer red blood cells or hemoglobin than normal, which reduces oxygen delivery to their body. Because the symptoms of anemia can mimic other illnesses, it’s essential to pay close attention to your cat’s behavior and physical changes. Common signs of anemia include:

  • Unusual tiredness or lethargy
  • Pale or white gums
  • Loss of appetite
  • Increased heart rate or rapid breathing
  • Weakness or difficulty moving around
  • Jaundice (yellowing of the skin or eyes, in severe cases)
  • Dark or bloody stool

If you notice one or more of these symptoms, it’s time to take a closer look at what might be causing the issue. Left untreated, anemia can lead to serious complications.

🔍 Possible Causes

There are several potential causes of anemia in cats, and they typically fall into three categories: blood loss, destruction of red blood cells, and reduced red blood cell production. Below are some common conditions that may lead to anemia:

  • Blood loss: This can result from trauma, internal bleeding (such as stomach ulcers), or parasites like fleas, ticks, or intestinal worms.
  • Immune-mediated conditions: In some cases, a cat’s immune system may mistakenly attack its own red blood cells, a condition called autoimmune hemolytic anemia.
  • Chronic diseases: Kidney disease, liver disease, and certain cancers can interfere with the production of red blood cells.
  • Nutritional deficiencies: A lack of essential nutrients like iron, vitamin B12, or folic acid can lead to anemia.
  • Infections: Feline leukemia virus (FeLV), feline immunodeficiency virus (FIV), and blood parasites like Mycoplasma haemofelis can all trigger anemia.
  • Toxins: Exposure to harmful substances like certain medications, plants, or chemicals can damage red blood cells.

Because the underlying causes of anemia can vary so widely, diagnosing the exact reason is critical for effective treatment.

✅ What You Can Do at Home

While it’s always best to consult a veterinarian for a proper diagnosis and treatment plan, there are steps you can take at home to support your cat’s recovery and overall health:

  • Monitor your cat closely for any changes in behavior, appetite, or energy levels.
  • Check their gums regularly; healthy gums should be pink, not pale or yellow.
  • Ensure your cat is eating a balanced, nutritious diet. If anemia is due to a nutritional deficiency, your vet may recommend dietary changes or supplements.
  • Keep your cat protected from parasites by using vet-approved flea, tick, and worm preventatives.
  • Provide a stress-free environment to help your cat conserve energy and recover.

These steps can help manage mild cases or support your cat while you wait for veterinary care. However, severe or ongoing symptoms require immediate professional attention.

💡 When to Call a Vet

Anemia can progress quickly, especially if it’s caused by blood loss or an underlying disease. Contact your veterinarian as soon as you notice symptoms like pale gums, extreme lethargy, or rapid breathing. These are signs of severe anemia and may indicate a medical emergency.

Your vet will likely perform blood tests, such as a complete blood count (CBC), to determine the severity and cause of the anemia. Depending on the diagnosis, treatment options may include:

  • Blood transfusions for severe anemia
  • Medications to address infections or immune system issues
  • Surgery to stop internal bleeding
  • Dietary changes or supplements for nutritional deficiencies
  • Parasite treatment or prevention

Early diagnosis and treatment are key to improving your cat’s prognosis. Don’t hesitate to seek veterinary care if you’re concerned about your cat’s health.

FAQs

Q: Can anemia in cats go away on its own?
A: Anemia rarely resolves without treatment because it’s usually caused by an underlying issue. Identifying and addressing the root cause is essential for your cat’s recovery.

Q: How can I prevent anemia in my cat?
A: Prevent anemia by keeping up with routine vet visits, parasite prevention, and providing a balanced diet. Regular checkups can catch potential issues early.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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