Essential takeaways (TL;DR)
- Tapeworm most often affects outdoor cats and kittens.
- Typical warning signs include visible segments in the stool, itching, and sometimes diarrhea with weight loss.
- Treatment relies on an effective dewormer, flea control, and cleaning the cat’s environment.
What is tapeworm in cats?
Tapeworm, or Dipylidium caninum, is an internal parasite found in cats. It is a small, flat, segmented worm that lives in the animal’s small intestine. Each segment, called a proglottid, contains eggs and breaks off regularly. These segments may be seen around the cat’s anus or in its stool, where they can look like white grains of rice or small sesame seeds.
Tapeworm has an indirect life cycle, which means it needs an intermediate host—most commonly the flea. A cat becomes infected when it swallows an infected flea, usually while grooming or licking itself. Once ingested, the parasite attaches to the intestinal wall and matures into an adult worm capable of producing egg-filled segments, which are then released into the environment.
How tapeworm spreads
Cats usually get Dipylidium caninum by swallowing an infected intermediate host, most often a flea. The cycle works like this:
- The flea ingests tapeworm eggs from the environment or from an infected animal. Inside the flea, the eggs develop into infectious larvae.
- The cat scratches or grooms itself and accidentally swallows the infected flea. This can happen while licking its coat, biting at itchy skin, or eating a prey animal carrying fleas.
- The tapeworm develops in the cat’s intestine: the larva attaches to the intestinal wall and grows into an adult worm that produces egg-filled segments. These segments are then passed in the stool or appear around the anus.
In rare cases, a cat may also become infected by eating small rodents or birds carrying tapeworm larvae, but flea transmission remains by far the most common route.
Healthvet’s advice: The main source of tapeworm in cats is the flea, so prevention depends on regular flea treatment and good environmental hygiene.
The different types of digestive worms in cats
Cats can be affected by several kinds of worms.
Roundworms (nematodes)
These live in the small intestine and are common, especially in kittens. Roundworms (Toxocara cati) look like long white or yellowish spaghetti and can measure 4 to 10 cm. In kittens, they are sometimes vomited up, which makes them easier to spot. Hookworms (Ancylostoma spp.) are thinner, measure about 1 to 2 cm, and are rarely visible in stool. Whipworms, which are much less common in cats, are extremely thin and whip-shaped, measuring around 3 to 4 cm.
| Cat parasite | Description | How infection happens | Common symptoms |
|---|---|---|---|
| Roundworms (Toxocara cati) | White, spaghetti-like worms 4 to 10 cm long | Ingesting eggs from the environment, transmission through mother’s milk | Swollen belly, poor growth, vomiting, diarrhea, worms in stool or vomit |
| Hookworms (Ancylostoma spp.) | Thin worms | Ingesting eggs or penetration through the skin | Anemia, dark or bloody diarrhea, weight loss, lethargy |
| Whipworms (Trichuris spp.) (rare in cats) | Very thin worms in the colon | Ingesting eggs | Sometimes bloody diarrhea, weight loss |
Flat intestinal worms (cestodes)
Flatworms are usually detected by the segments they shed. Dipylidium caninum appears as small white segments that look like dry grains of rice. They may be seen around the anus, in the litter box, or stuck to the fur. These segments can sometimes move slightly, which is often what alerts owners. When intact, the worm can reach 30 to 50 cm in length. Taenia taeniaeformis produces similar but flatter segments. The adult worm can grow to several dozen centimeters, although only fragments are usually noticed.
| Parasite | Description | How infection happens | Common symptoms |
|---|---|---|---|
| Dipylidium caninum | Segmented flatworm, the most common tapeworm | Ingesting infected fleas | Anal itching, licking of the anus, visible segments in stool |
| Taenia taeniaeformis | Longer, less common flatworm | Ingesting infected rodents | Often no symptoms, sometimes weight loss and dull coat |
|
A European study published in 2020* reported that up to 45% of outdoor cats are infected with at least one type of intestinal worm. In France, according to another veterinary survey*, about 25% of domestic cats have a parasitic infestation, with a higher prevalence in kittens. |
How much does tapeworm treatment in cats cost?
Here is an indicative price table for the treatment of a Dipylidium caninum (tapeworm) infection in a cat in 2025.
| Item / service | Estimated cost without insurance |
|---|---|
| Basic veterinary consultation | €30–50 |
| Dewormer (tapeworm treatment — one dose) | €7–15 depending on the product |
| Dewormer + flea/environmental control (if infestation is present) | ≈ €10–20 + possible flea treatment cost |
| Follow-up / additional consultation (if needed) | €30–50 |
| Repeat deworming (check-up after 2–3 weeks, if recommended) | New purchase of the dewormer: €7–15 |
| Cleaning / treating the environment (bedding, litter box, home) | Variable: depends on the materials, time, and products used (not precisely priced) |
Can cat tapeworm be transmitted to humans?
Transmission of worms to humans is possible, but rare.
Dipylidium caninum
This is the main route of human infection, especially in children who may accidentally swallow an infected flea. Cases are uncommon and the illness is usually mild, causing only minor digestive symptoms.
Taenia taeniaeformis
Direct transmission to humans is exceptional. Infection would occur only by accidentally ingesting larvae present in an infected rodent.
Symptoms if worms are transmitted to humans
Cat worms can be transmitted to humans, especially children. Possible symptoms of a parasitic infection include fatigue, mild fever, abdominal pain, cough, skin rashes or itching, and sometimes eye involvement (larva migrans).
What are the symptoms of tapeworm in a cat or kitten?
Tapeworm infections in cats and kittens are often subtle, but some signs may raise suspicion:
- Segments in the stool or around the anus: proglottids, the small white segments that look like grains of rice or sesame seeds, are the most characteristic sign. They may also be visible on the fur around the anus.
- Anal itching and excessive licking: the cat may scratch the anal area often or drag its rear across the floor.
- Mild digestive upset: diarrhea, irregular stools, mucus in the stool, and occasional vomiting in heavier infestations.
- Reduced appetite or weight loss: uncommon, but possible if the infestation is severe or long-lasting.
- Dull coat or fur stuck around the anus: sticky segments can soil the fur and cause local irritation.
- Kittens are more vulnerable: in kittens, a significant infestation can lead to stunted growth, weakness, and tiredness, because they are less able to cope with nutrient loss.
In short, the main symptom is the presence of white segments around the anus or in the stool, but itching, digestive problems, and weight loss can also occur, especially with a heavy infestation.
The diagnosis of tapeworm in cats is based on clinical observation and, when needed, additional veterinary tests. The main steps are:
Observing segments in the stool or around the anus
- Tapeworm segments, called proglottids, are the most characteristic sign.
- They look like white grains of rice or small sesame seeds, and may be moving or dried out. They are often visible in the litter box or stuck around the anus.
- Repeated findings should alert the owner.
Associated clinical signs
- Itching around the anus: the cat scratches or drags its rear end on the floor.
- Mild digestive signs: diarrhea, irregular stools, and sometimes vomiting.
- Weight loss or decreased appetite: rare, but possible in severe infestations.
Veterinary examination
- Abdominal palpation: the veterinarian may sometimes detect intestinal masses, but this is uncommon.
- Stool analysis: for a precise diagnosis, a fecal exam can look for tapeworm eggs, although they are not always present in every segment passed.
- Direct examination of proglottids: the veterinarian can confirm the diagnosis by examining segments collected from around the anus or from the litter box.
Healthvet’s view: in most cases, if worms are suspected, a deworming treatment is started without necessarily carrying out additional tests. If tests are considered necessary, they are covered by cat health insurance.
Differential diagnosis
It is important to distinguish tapeworm from other intestinal worms (roundworms, hookworms) or from foreign material visible in the stool.
In practice, when worms are suspected, additional tests are often not needed: a dewormer is prescribed directly.
Treatment against worms
The main treatment is to give the cat an effective tapeworm dewormer, prescribed by the veterinarian.
Treatment is often repeated after 2 to 3 weeks if the cat was heavily infested or if the risk of reinfection is high. It is important to follow the dose and schedule prescribed by the veterinarian.
Flea treatment
Because tapeworm is linked to fleas, eliminating fleas is essential to prevent a new infestation. This includes:
- Regular topical or oral flea control using products effective against all flea stages (adult fleas, larvae, and eggs).
- Ongoing monitoring, especially for cats that go outdoors or live with other infested animals.
Cleaning the environment
Tapeworm eggs and fleas can survive in the environment. It is therefore advisable to:
- Wash bedding and rugs regularly at high temperature.
- Vacuum frequently, especially where the cat sleeps and around the litter box.
- Treat other pets in the household if needed.
Natural dewormers
Some plants and foods may help as a complement if you want to eliminate worms naturally, but they do not replace veterinary treatment. Pumpkin and raw or ground pumpkin seeds are thought to have mild deworming properties. Carrot juice or pumpkin may help expel some parasites. Garlic is not recommended and is among the foods toxic to cats.
Preventing tapeworm in cats depends mainly on flea control, since fleas are the parasite’s intermediate host, and on good overall hygiene. The key measures are:
Regular flea treatment
- Use effective antiparasitic products in tablets, spot-on pipettes, or specific collars.
- Treat all animals in the household to avoid cross-infestation.
- Repeat treatment according to the veterinarian’s advice, especially for cats that go outside or live in infested environments.
Cleaning the environment
- Wash bedding, cushions, and rugs where the cat sleeps on a regular basis.
- Vacuum floors, carpets, and areas frequented by the cat often.
- Remove visible hair and tapeworm segments from around the anus or from the litter box.
Preventive deworming
- Give an appropriate dewormer based on the cat’s age and lifestyle, especially for cats that go outdoors or hunt.
- Follow the deworming schedule recommended by the veterinarian to reduce the risk of infestation.
Limit contact with infected prey
- Prevent the cat from hunting or eating rodents, birds, or insects carrying tapeworm larvae.
Regular monitoring
- Check the coat and stool regularly for signs of tapeworm segments.
- See a veterinarian at the first sign of infestation, such as itching, visible segments, or diarrhea.
Are worms dangerous in cats?
Worms can be dangerous in cats, especially in kittens or in cases of heavy infestation. They can cause diarrhea, vomiting, weight loss, and stunted growth, and weaken the animal. Some worms, such as roundworms or tapeworms, can also be transmitted to humans (zoonosis), especially to children. Even if adult cats sometimes show no symptoms, it is essential to worm them regularly and maintain good hygiene to prevent complications and protect the whole family.
FAQ — Tapeworm in cats
How often should a cat be dewormed to prevent tapeworm?
In general, a cat should be dewormed every 3 months, and more often for kittens or outdoor cats. The veterinarian will adjust the schedule based on age, lifestyle, and exposure risk.
How can I tell if my cat has worms if I don’t see anything in the stool?
Not all worms are visible. Signs such as licking the anus, itching, diarrhea, vomiting, or weight loss can point to an infestation. A veterinarian can confirm it with a stool exam or prescribe a dewormer directly if in doubt.
Can my indoor cat still catch tapeworm?
Yes. Even without going outside, a cat can pick up fleas brought into the home on clothing, other animals, or by visitors. Just one infected flea is enough to transmit tapeworm.
Are natural treatments enough to eliminate tapeworm?
No. Natural dewormers may sometimes support digestion, but they do not kill tapeworm. Only a specific veterinary dewormer is effective at eliminating the parasite.
Tapeworm is one of the most common intestinal parasites in cats. The right deworming treatment, combined with strict hygiene and flea control, can remove the parasite effectively and help prevent reinfection.
*Sources:
- Diakou A, Kapantaidakis E, Tamvakis A, Giannakis V, Prakas P. Intestinal Parasites in Dogs and Cats in Greece: Prevalence, Zoonotic Risks, and Control Measures. Parasites & Vectors, 2020.
- Sartini L, et al. Survey of Intestinal Parasites in Domestic Cats in France. Bulletin des Vétérinaires, 2019.
- Traversa D, et al. Toxocara cati in Domestic Cats: Epidemiology and Clinical Significance. Veterinary Parasitology, 2017.
- Grandi G, et al. Anemia in Cats Caused by Hookworm Infection. Journal of Feline Medicine and Surgery, 2016.
Healthvet
Leader in pet health insurance
latest posts published
Pregnant Dog: How to Prepare for the Arrival of the Puppies?
Death and Inheritance Rights: Who Inherits Your Pet? What You Need to Know
Senior Dog Kibble: At What Age Should You Switch?
Which Dog Breeds Don’t Shed Hair?
Bringing Your Dog or Cat to the Casino: Is It Really Possible?
What Are the Most Beautiful Cat Breeds?
Why Does My Dog Close Its Eyes When I Pet Its Head?
How to Clean Your Cat’s Ears Without Stress
Sterilizing My Cat: The Real Pros and Cons
