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How Often Should You Deworm Your Cat?

A Vet's Advice on Establishing a Cat Deworming Schedule

Deworming your cat is not just about keeping your furry friend healthy; it is also a critical public health issue. The parasites that can infest your cat's digestive tract pose a potential threat to human health too. A common question that arises is the cat deworming frequency. Wondering about the ideal cat deworming schedule? Read on to understand the cat deworm frequency, kitten deworming schedule, types of worms, and the benefits of regular deworming.

Why Deworming is Essential

Cats can catch worms by consuming prey such as rats, birds, etc. that contain parasites themselves or ingesting the eggs of parasites whilst grooming themselves. The symptoms of worm infestations can vary, and it is crucial to be vigilant, as some infected cats may not show any signs. Common symptoms include vomiting, diarrhoea, lethargy, weight loss, swollen belly, dull coat, increased appetite (in the initial stages, to compensate for the nutrients being consumed by the intestinal parasites), and anaemia.

Types of Worms and Their Transmission

Various parasitic worms threaten the health of cats. Roundworms, hookworms, tapeworms, and whipworms are some of the most common types. Transmission occurs through contact with contaminated soil or faeces, ingestion of contaminated soil, or through intermediate hosts like fleas whilst grooming. Kittens are particularly susceptible to roundworms that can be passed on from their infected lactating mother via the milk. Additionally, hookworms pose a risk by attaching to the lining of the small intestine, causing substantial blood loss and anaemia.

Deworming Indoor Cats

Contrary to popular belief, even indoor cats need a cat deworming schedule. Fleas carrying tapeworms can find their way into homes through various means, such as on clothing, bags, other pets, or visitors. Regular flea preventive treatments, recommended by your vet, can reduce the risk of tapeworm infestations in indoor cats.

Benefits of Deworming Your Cat

Establishing a cat deworming schedule chart for your cat offers several benefits:

  1. Keeps your cat healthy: Internal parasites feed on your cat's blood, depriving your cat of vital nutrients, leading to weight loss, poor appetite, diarrhoea and weakness in advanced stages of infection. Severe infections can result in anaemia or a pot - bellied appearance.
  2. Prevents reinfection: Dewormers paralyze and kill existing worms, but periodical preventative measures are necessary to remove any new worms your cat may pick up.
  3. Protect yourself and your loved ones: Certain worms can be transmitted from cats to humans, posing risks to organs and eyes. Deworming your cat reduces the chances of your family encountering intestinal worms.

How Often to Deworm Your Cat

Deworming is a regular process, and the cat deworming schedule can depend on your cat's age and activities. Kittens are more vulnerable and should follow a specific kitten deworming schedule, starting at the age of 2 weeks and until 6 months of age, should be dewormed every month. Generally, all cats should be treated at least four times a year, with no more than three months between each treatment. Outdoor cats, exposed to infected animals or environments, or those that hunt prey may require more frequent deworming than indoor cats, such as once every 1 - 2 months.

Conclusion

Cats make wonderful companions, but their health needs careful attention. Deworming is a crucial aspect of their care, not only for their well-being but also for public health. Consult with your vet to establish a cat deworming schedule tailored to your cat's needs. Regular deworming not only keeps your pet healthy but also safeguards your family from potential health risks. Remember, maintaining your cat's health is a shared responsibility that benefits both your feline friend and your household.

Have a look at our deworming medication for cats.

FAQs

1. Can I deworm my cat myself?

Yes, you can deworm your cat at home using over-the-counter or prescription dewormers, but it's important to consult your vet first. Not all deworming medications are the same—your vet can recommend the best dewormer for cats based on your cat's age, weight, and type of worm infestation. Incorrect use or dosage may not be effective and could even be harmful.

2. What happens if a cat is not dewormed?

If you fail to deworm your cat, they may develop serious health problems. Parasites like roundworms, hookworms, and tapeworms feed on your cat's blood or nutrients, leading to weight loss, diarrhea, vomiting, anaemia, a swollen belly, and a dull coat. In severe cases, intestinal blockages or long-term health complications may occur. Additionally, some worms are zoonotic and can infect humans, especially children.

3. How do I know if my cat needs deworming?

Some cats show no visible signs, making regular deworming essential. However, signs that your cat may need deworming include:

  • Visible worms in stool or around the anus
  • Vomiting or diarrhea
  • Sudden weight loss
  • Bloated stomach
  • Lethargy
  • Dull or rough coat

If you notice any of these, it's time to deworm your cat or consult your vet immediately.

4. What to expect after deworming a cat?

After giving a dewormer, your cat may:

  • Pass dead worms in their stool
  • Show mild digestive upset (e.g., soft stools or vomiting)
  • Return to normal activity levels quickly

Keep an eye on their litter box and behavior for 24-48 hours. If symptoms worsen or persist, contact your vet. Most cats tolerate dewormers well, and these short-term effects are a sign the treatment is working.

5. What's the best dewormer for cats?

The best dewormer for cats depends on the type of worms present. Broad-spectrum dewormers that treat roundworms, hookworms, and tapeworms are commonly used. Some trusted options include pyrantel pamoate, praziquantel, and milbemycin. Always choose a vet-recommended product and follow the dosage instructions carefully.

6. How often to deworm indoor cats?

Even indoor cats need regular deworming. A general cat deworming schedule recommends:

  • Every 3 months (i.e., four times a year) for healthy adult cats
  • Monthly deworming for kittens until 6 months old
  • Every 1-2 months for cats with higher risk (e.g., those exposed to fleas, prey, or other animals)

Consult your vet to customize the schedule based on your cat's risk factors and lifestyle.

7. Why is a cat deworming schedule important?

Following a regular cat deworming schedule helps:

  • Prevent worm-related illnesses in your cat
  • Avoid reinfection from the environment or other animals
  • Reduce risk of transmission to humans
  • Support your cat's digestion, immune system, and overall well-being

A consistent schedule is especially critical for kittens, newly adopted cats, and outdoor explorers.