Overview:

Threadworms (Strongyloides) are small worms which live in the intestine. They are around 1/8 to 1/5 of an inch long. [1]

How do cats become infected with threadworm?

Cats become infected when they come into contact with feces containing the infective threadworm larvae. These larvae penetrate the skin & migrate to the lungs via the blood. Here they migrate up the trachea & into the throat where they are swallowed.

Nursing kittens can also acquire the worm via their mothers milk.

What are the symptoms of threadworm?

Cats with light infestations may show no symptoms at all. Heavier infestations may produce symptoms including;

• Diarrhea
• Occasionally respiratory symptoms

How is threadworm diagnosed?

Your veterinarian will perform a complete physical examination & obtain a medical history from you.

Diagnosis may be confirmed by microscopic examination of the feces which reveals threadworm larvae.

How is threadworm treated?

Your veterinarian will be able to prescribe an appropriate worming medication to treat threadworm.