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How to Tell If Your Cat Has Worms?

A fluffy gray and white cat with striking eyes is peeking out from a corner

Cats are experts at hiding when something’s wrong, which is why it’s so important to pay attention to the small changes in their behavior and health. One issue that can sneak up on even the most attentive cat owners is worms. These common parasites can cause a range of problems for your cat, from mild discomfort to more serious health risks.

I’ve dealt with worms in my own cats over the years, and it can be tricky to spot the signs at first. But once you know what to look for and how to prevent them, keeping your cat healthy becomes much easier. Let’s break down the key things you need to know about worms, their symptoms, and how to protect your cat.

What Are Worms in Cats?

Worms are internal parasites that can cause various health issues for your cat. While some worms are visible, others are tiny and require lab tests for detection. The most common types of worms in cats are:

  • Roundworms: The most frequent culprits, especially in kittens. They look like spaghetti and can cause bloating and digestive issues.
  • Tapeworms: These are flat and segmented, often seen around the cat’s anus or in their feces as tiny rice-like pieces.
  • Hookworms: Small but dangerous, they attach to the intestinal lining and can cause blood loss.
  • Whipworms: Less common but still a concern, whipworms can lead to chronic digestive issues.

Each type of worm poses unique risks, but they all share one thing: they feed off your cat, robbing them of essential nutrients and, in severe cases, causing serious illness.

Also read: Can Cats Drink Cow Milk? The Truth About Cats and Milk

A cute gray kitten with blue eyes is peeking out from a woven basket

How Do Cats Get Worms?

Even the most pampered indoor cat isn’t completely safe from worms. Here’s how these parasites find their way into your cat’s system:

  1. Fleas: Cats can swallow fleas carrying tapeworm larvae while grooming.
  2. Ingesting worm eggs or larvae: Roundworm eggs or hookworm larvae can be ingested through contaminated food, water, or soil.
  3. Hunting: Eating infected rodents, birds, or insects can transmit worms.
  4. Mother-to-kitten transmission: Kittens can get worms from their mother’s milk or while in the womb.
  5. Contact with feces: Cats that step in contaminated soil or litter may ingest eggs when cleaning their paws.

Knowing how worms spread can help you take steps to protect your cat, which I’ll discuss later.

Also read: How to Clean Your Cat's Teeth and Prevent Dental Problems

A gray and white cat is standing on its hind legs, reaching up with its front paws as if trying to catch something

Signs Your Cat Might Have Worms

Here are some telltale signs that your cat might be dealing with worms. Keep an eye out for these, especially if your cat spends time outdoors or interacts with other animals.

1. Changes in Appetite

If your cat is suddenly eating like they’re starving but isn’t gaining weight—or worse, is losing weight—they might have worms. Parasites can steal nutrients from your cat’s food, leaving them hungry all the time.

On the flip side, some cats with worms lose their appetite altogether. If your cat’s eating habits change drastically, it’s time to take a closer look.

2. Unexplained Weight Loss

Even if your cat seems to be eating normally, you might notice they’re losing weight. This is especially common with roundworms, which compete with your cat for nutrients.

3. Visible Worms or Eggs

This is the most obvious sign. If you see small, rice-like grains around your cat’s anus, in their fur, or in their litter box, those are probably tapeworm segments. Roundworms, on the other hand, look like spaghetti and may appear in vomit or stool.

4. A Bloated Belly

A potbelly is a classic sign of worms, especially in kittens. If your cat’s stomach looks unusually round and swollen, but they’re otherwise thin, they might have roundworms.

5. Vomiting

Cats with worms often vomit, and sometimes you’ll even see worms in the vomit. Gross, I know, but it’s an important sign to watch for.

A fluffy white cat with dark ears is sitting on a wooden floor

6. Diarrhea

Loose stools are another common symptom. If the diarrhea is persistent or contains blood, it’s even more likely your cat has worms.

7. Dull Coat or Hair Loss

Healthy cats usually have sleek, shiny coats. If your cat’s fur looks dull, rough, or patchy, it could be a sign of worms. Some parasites can also cause your cat to scratch excessively, leading to bald spots.

8. Dragging Their Rear End

If your cat is scooting their bottom along the floor, they might be trying to relieve irritation caused by worms or tapeworm segments near their anus.

9. Low Energy Levels

Cats with worms often seem more lethargic than usual. If your playful kitty is suddenly sleeping more or seems uninterested in their favorite activities, it’s worth investigating.

10. Coughing

This is less common but can happen if worms migrate to your cat’s lungs. If your cat is coughing or wheezing, they might have a severe worm infestation.

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How to Diagnose Worms in Cats

If you suspect worms, the first step is a visit to the vet. Your vet may perform one or more of the following:

  • Fecal examination: A stool sample is analyzed under a microscope to look for eggs or larvae.
  • Physical examination: The vet may check for bloating, visible worms, or other symptoms.
  • Blood tests: Occasionally needed for more severe infestations or certain worm types.

Accurate diagnosis is essential for effective treatment.

Treatment Options

Once worms are confirmed, treatment is straightforward. Your vet will recommend deworming medication based on the type of worm. Here’s what to expect:

  • Medications: Dewormers come as tablets, liquids, or topical treatments. Always follow your vet’s instructions carefully.
  • Follow-up treatments: Some worms require multiple rounds of medication to fully eradicate them.
  • Environmental cleaning: Disinfect litter boxes and bedding to prevent reinfection.

Avoid over-the-counter dewormers unless specifically recommended by your vet, as they might not be effective for all worm types.

An orange and white kitten with big eyes is lounging on the edge of a patterned couch

How to Prevent Worms in Cats

Prevention is key to keeping your cat worm-free. Here’s how you can reduce the risk:

  1. Regular flea control: Use vet-approved flea preventatives year-round to prevent tapeworm infections.
  2. Keep litter boxes clean: Scoop the litter daily and disinfect weekly to eliminate worm eggs.
  3. Cooked food only: Avoid feeding your cat raw or undercooked meat, which can harbor worm larvae.
  4. Indoor lifestyle: Limit your cat’s outdoor adventures to reduce exposure to infected animals and soil.
  5. Routine vet visits: Schedule regular check-ups and ask your vet about preventative deworming, especially if your cat goes outdoors.
  6. Rodent control: Ensure your home is free of rodents, which can carry worms.

By maintaining good hygiene and regular vet care, you can keep worms at bay.

FAQs About Worms in Cats

1. Can Indoor Cats Get Worms?

Yes, indoor cats can still get worms from fleas, contaminated food, or even shoes that track in eggs.

2. How Long Does Deworming Take to Work?

Most medications start working within hours, but full elimination may take a few days to weeks, depending on the worm type.

3. Are Worms in Cats Contagious to Humans?

Some worms, like roundworms and hookworms, can infect humans if eggs are ingested or come into contact with broken skin. Washing hands regularly and cleaning litter boxes can reduce this risk.

A tabby cat with striking green eyes is staring intently

Final Thoughts

Worms may sound scary, but with vigilance and proper care, you can protect your cat and keep them healthy. By watching for signs, seeking veterinary advice, and following a prevention plan, you’ll ensure your feline friend stays worm-free.

Remember, your cat depends on you to notice the small details. So, keep an eye out, trust your instincts, and give your vet a call if something doesn’t seem right. A happy, healthy cat is worth every bit of effort!

 

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