Feline Parasites

Feline parasites library. Up to date information on cat fleas, worms and other parasitic infections in cats.

Toxoplasmosis in Cats and Humans

Cats and toxoplasmosis

What is toxoplasmosis?

Toxoplasmosis is an infection caused by the intracellular parasite Toxoplasma gondii. It infects multiple warm-blooded animals including humans, livestock, and birds (all of whom act as intermediate hosts). Cats are the only definitive hosts to T. gondii, which means that the parasite is only able to sexually reproduce in felines (both wild and domesticated).

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Threadworm (Strongyloides) in Cats

Threadworm in cats

What are threadworms?

Also known as pinworms, threadworms (Strongyloides) are small worms which live in the small intestine, they are around 1/8 to 1/5 of an inch long. [1] There are several dozen species of threadworms, cats are most commonly affected by Strongyloides stercoralis. Threadworm is a rare infection in cats, and humans are believed to be a major source of infection for cats with S. stercoralis. [1]

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Feline Scabies (Notoedric Mange)

Feline scabies

What is notoedric mange?

Also known as feline scabies, notoedric mange is a rare but highly contagious and intensely itchy skin disease caused by the mite ‘Notoedres cati‘. Notoedres cati is found worldwide. While rare, they affect cats of any age, breed, and sex.

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Lungworm in Cats

Lungworm in cats

What are lungworms?

Lungworms are slim, hair-like nematodes that live in the lungs of mammals. The two most common species to infect cats are Aelurostrongylus abstrusus (feline lungworm) and  Capillaria aerophila (Eucoleus aerophilus) (feline and canine bronchial capillarid).

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Cat Worms – Types of Worms to Infect Cats

Roundworms in cats

Cat worms at a glance

  • About: Parasitic worms can infect cats, the most common are tapeworm, hookworm, roundworm and heartworm.
  • Transmission: This varies from worm to worm but can include fleas, hunting and contaminated environment.
  • Diagnosis: Most worms can be diagnosed by the presence of eggs in the feces. A blood test is used to detect heartworm larvae in the blood.
  • Treatment: Anti-worming medications are used to treat most worms. Heartworm treatment can be dangerous, and in most cases, supportive care is given.

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