Cat Dewormer

  • Free shipping on orders over $125 USD
  • Vet approved products
  • No Rx Required

26 products

About Cat Dewormer

Keeping your cat protected from internal parasites is essential for their health and wellbeing. Our range of dewormers for cats includes trusted brands such as Revolution Plus, Bravecto Plus, Neovet, NexGard Spectra, Drontal, and Milbemax designed to treat and prevent common parasites such as roundworm, hookworm and tapeworm.

Whether you're looking for the best cat dewormer without a vet prescription for kittens, or a broad-spectrum treatment for adult cats, you'll find effective solutions from trusted veterinary brands below.

How Do I Know If My Cat Has Worms?

Cats can develop worms even if they appear healthy, so it is important to watch for subtle signs. Parasites such as roundworm and tapeworm are common in cats and can be picked up through fleas, hunting prey, or contact with contaminated environments. In some cases, worms may be visible in your cat's stool or around their rear. Regular deworming and monitoring your cat's health can help prevent infestations and protect both your pet and household from parasites.

Common Symptoms of Worms in Cats

Common signs that your cat may have worms include:

  • Weight loss despite normal appetite

  • Vomiting or diarrhoea

  • A swollen or bloated stomach

  • Dull coat or poor condition

  • Scooting or irritation around the rear

  • Visible worms or rice-like segments in stool

If you notice any of these symptoms, using a reliable cat dewormer can help treat the infestation.

How to Choose the Best Cat Dewormer

When selecting a cat dewormer, consider the following factors:

  • Your cat's age and weight

  • Whether the treatment covers roundworm, tapeworm, or multiple parasites

  • The type of treatment

  • How often the product needs to be administered

  • Whether it is suitable for kittens or adult cats

Choosing the right worming treatment ensures effective protection against common parasites.

Types of Cat Dewormers

Cat dewormers generally fall into two categories:

  • Broad-spectrum tablet dewormers — such as Drontal and Milbemax — treat existing infections of roundworm, hookworm, and tapeworm in a single oral dose. These suit cat owners who want to treat worms specifically, without paying for flea or tick coverage they may not need.

  • Combination spot-on treatments — such as Revolution Plus, NexGard Spectra, and Bravecto Plus — combine deworming with flea, tick, and often heartworm prevention in one monthly or extended-duration application.

If your cat only needs worm treatment, a tablet dewormer is usually the more affordable choice. If you want ongoing, all-in-one parasite prevention, a combination spot-on is more convenient.

Popular Cat Deworming Treatments

  • Revolution Plus: A powerful monthly spot-on designed to protect against fleas, paralysis ticks, heartworm, ear mites, and intestinal worms.

  • Bravecto Plus: Offers extended protection, aiding in the prevention of fleas and ticks for up to 2 months and heartworm for 3 months with a single dose.

  • Milbemax: A broad-spectrum oral tablet that treats roundworm, hookworm, and tapeworm in a single dose, with no flea or tick coverage.

Frequently Asked Questions

How often should I deworm my cat?

Most dewormers are recommended every 1–3 months for adult cats, and monthly for kittens, though timing depends on the product and your cat's lifestyle. Combination spot-on treatments are typically applied monthly; tablet dewormers like Drontal are usually given every 3 months for indoor cats, or more frequently for cats that hunt or spend time outdoors.

Can kittens be dewormed?

Yes. Kittens are commonly wormed from as early as 2–3 weeks of age, then at regular intervals until 6 months old, and every 1–3 months as adults. Always check the product label for minimum age and weight requirements before use.

Are cat dewormers safe?

When used as directed, cat dewormers are considered safe, and side effects are uncommon. As with any medication, individual reactions can occur, so it's worth monitoring your cat after the first dose and consulting your vet if you notice anything unusual.

What's the difference between parasite prevention and deworming?

Deworming treats an existing worm infection, while parasite prevention — such as monthly spot-on treatments — helps stop future infestations before they start. Many owners use both: an initial deworming treatment followed by ongoing preventative cover.

Do these treatments prevent heartworm?

Some do. Revolution Plus, Bravecto Plus, and NexGard Spectra combine deworming with heartworm prevention. Drontal and Milbemax are worm-only treatments and do not cover heartworm.

Do I need a prescription to shop these products?

As a proudly owned Australian business, Smartway Pet Supplies allows you to purchase all cat parasite preventatives without a prescription.

Do you ship internationally?

Smartway offers both Standard and Express shipping globally. All orders over $125 are also entitled to free shipping.