How Often Should You Deworm Your Cat?



As a responsible cat owner, it is essential to prioritize your furry friend’s health and well-being. One crucial aspect of cat care is deworming, which helps eliminate internal parasites that can adversely affect your pet’s health. In this article, we will delve into the topic of deworming cats, discussing why it is necessary, the different types of worms that can infest your cat, and how frequently you should perform deworming treatments.

The Importance of Deworming

Deworming your cat is vital for several reasons. First and foremost, worms can cause various health issues, including weight loss, diarrhea, vomiting, dull coat, and anemia. In severe cases, they can even lead to organ damage and death. Additionally, some types of worms are zoonotic, meaning they can be transmitted from animals to humans, posing a potential risk to your family’s health.

Types of Intestinal Worms in Cats

Before discussing the frequency of deworming, it is essential to understand the different types of worms that can infest your cat. The most common intestinal worms in cats include:

1. Roundworms (Toxocara cati, Toxascaris leonina)

Roundworms are the most prevalent type of intestinal worms in cats. They are long, white worms that resemble spaghetti and can grow up to several inches in length. Kittens can acquire roundworms from their mother’s milk, while adult cats can get infected by ingesting the eggs or larvae present in soil, rodents, or other infected animals.

2. Hookworms (Ancylostoma tubaeforme, Ancylostoma braziliense)

Hookworms are small, thin worms that attach themselves to the intestinal lining and feed on blood. Cats can acquire hookworms through ingestion, skin contact, or even by walking on contaminated soil. They can also be passed from mother cats to their kittens through milk or during pregnancy.

3. Tapeworms (Dipylidium caninum, Taenia spp.)

Tapeworms are long, flat worms that consist of multiple segments. These segments contain eggs that are shed in the cat’s feces, which are then consumed by flea larvae. Cats can become infected with tapeworms by ingesting fleas while grooming themselves or by hunting and consuming infected rodents or other small animals.

4. Whipworms (Trichuris spp.)

Whipworms are less common in cats compared to dogs, but they can still be found in feline intestines. Cats usually acquire whipworms by ingesting soil or feces contaminated with whipworm eggs.

Frequency of Deworming

The frequency of deworming your cat depends on several factors, including its age, lifestyle, and risk of exposure to worms. Here are some general guidelines to help you determine how often you should deworm your cat:

1. Kittens

Kittens should be dewormed more frequently than adult cats due to their higher susceptibility to worms and their immature immune systems. It is recommended to deworm kittens starting at two weeks of age, repeating the treatment every two weeks until they are three months old. After that, they should be dewormed monthly until they reach six months of age.

2. Adult Cats

For adult cats, the frequency of deworming depends on their lifestyle and risk of exposure. Indoor cats with no access to the outdoors or other animals have a lower risk of contracting worms and may only need to be dewormed once or twice a year. However, outdoor cats or those with access to the outdoors should be dewormed every three to six months, as they are more likely to come into contact with worms.

3. Pregnant Cats

Pregnant cats should be dewormed prior to mating, during gestation, and before giving birth to prevent the transmission of worms to the kittens. Consult your veterinarian for the appropriate deworming schedule for pregnant cats.

4. Senior Cats

Senior cats may have a weakened immune system, making them more susceptible to worms. It is advisable to consult your veterinarian for a deworming schedule tailored to your senior cat’s specific needs.

How often should I worm my cat?

Frequently Asked Questions (FAQs)

1. How do I know if my cat has worms?

Common signs of worms in cats include weight loss, bloated abdomen, diarrhea, vomiting, lethargy, and a dull coat. However, some cats may not show any visible symptoms, especially during the early stages of infestation. Regular veterinary check-ups and fecal examinations are crucial for detecting worms.

2. Can I use over-the-counter dewormers for my cat?

Although over-the-counter dewormers are available, it is always recommended to consult your veterinarian before administering any medication to your cat. A proper diagnosis is essential to identify the specific type of worms and determine the most suitable treatment.

3. Can humans get worms from cats?

Yes, certain types of worms in cats, such as roundworms and hookworms, can be transmitted to humans. Maintaining good hygiene practices, such as regular handwashing and proper disposal of cat feces, can help minimize the risk of transmission.

4. Can indoor cats get worms?

While indoor cats have a lower risk of contracting worms compared to outdoor cats, they can still get worms. Indoor cats can be exposed to worms through contaminated soil brought in on shoes or by ingesting fleas while grooming themselves.

5. Are all dewormers the same?

No, different dewormers target specific types of worms. It is crucial to consult your veterinarian to determine the most effective deworming treatment for your cat based on its individual needs.

6. Can I prevent worms in my cat?

While it is not possible to completely eliminate the risk of worms, there are preventive measures you can take. Regular deworming, maintaining good hygiene, flea control, and preventing hunting can help reduce the likelihood of worm infestation.

7. Can I deworm my cat at home?

While some dewormers are available over the counter, it is advisable to consult your veterinarian for a proper diagnosis and prescription. Deworming medications should be administered based on your cat’s weight and the specific type of worms present.

8. Can I use natural remedies to deworm my cat?

Natural remedies may have limited effectiveness in treating worm infestations. It is best to consult your veterinarian for medically proven deworming treatments that are safe and effective for your cat.

9. Are there any side effects of deworming medications?

Most deworming medications are well-tolerated by cats, but some cats may experience mild side effects such as vomiting, diarrhea, or temporary loss of appetite. If you notice any concerning symptoms, consult your veterinarian.

10. Can my cat get reinfected with worms?

Yes, cats can get reinfected with worms if they are exposed to contaminated environments or ingest infected prey. Regular deworming and preventive measures are necessary to minimize the risk of reinfestation.

11. Can I deworm my cat while she is nursing?

It is generally safe to deworm a nursing cat, but it is crucial to consult your veterinarian for the appropriate deworming medication and dosage. Some dewormers may be administered to the mother cat, which will also help protect the kittens.


Deworming your cat is a crucial part of responsible pet ownership. By understanding the importance of deworming, the types of worms that can affect your cat, and the recommended frequency of treatments, you can help ensure the health and well-being of your feline companion. Remember to consult your veterinarian for professional advice tailored to your cat’s specific needs, and never hesitate to seek their guidance when it comes to deworming and overall cat care.

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