Capillaria infection is a parasite illness that affects people and is characterized by two different capillarid types, Capillaria and Capillaria hepatica philippinensis.

Capillaria hepatica is commonly discovered in the livers of animals, including prairie dogs, monkeys, and tiny rodents, where it may induce cirrhosis. Whenever bigger predators consume these animals, capillary eggs are consumed and transported via the carnivore’s feces. When unintentionally swallowed by a person, the eggs move to the liver and grow into adult worms.

Capillaria philippinensis, on the other hand, is frequently detected in freshwater fish tissues. Larvae move to the gut and grow into adult worms if people consume contaminated, uncooked, or undercooked fish. Fish might get sick whenever contaminated human feces enter freshwater, and the cycle repeats.


The two types of capillaria infection are:

  • Capillaria hepatica. May be transmitted by infected species’ feces and cause hepatitis.
  • Capillaria philippinensis. Causes diarrhea and emaciation after swallowing tiny infected fishes.


There are generally no indications or symptoms whenever someone is infected with one Capillaria hepatica worm. Capillaria hepatica clinical signs comprise hypereosinophilia, fever, anemia, hepatitis, and potential mortality due to many female worms that continuously produce eggs.

Meanwhile, the symptoms and signs of Capillaria philippinensis infection in humans comprise nonspecific stomach discomfort and diarrhea. Weight loss, vomiting, nausea, and even mortality might occur later.


The two forms of capillaria infection are identified as follows:

  • Capillaria hepatica may be detected with a needle biopsy, liver biopsy, or autopsy following death. The detection of capillaria hepatica in stool specimens could not be utilized to identify infection.
  • Cappilaria philippinensis is identified by collecting a sample of small intestinal tissue or analyzing fecal samples.


There are medication and therapy alternatives that can treat both types of capillaria infection. However, capillariasis may be fatal if not treated.

  • Albendazole and thiabendazole are two drugs employed to cure Capillaria hepatica. Capillaria hepatica, however, is an uncommon infection with minimal clinical experience. Steroids are utilized to decrease liver swelling.
  • Mebendazole, which should be taken 200 mg twice a day for 20 days, and albendazole, administered 400 mg once a day for ten days, are two drugs that could be employed to cure Capillaria philippinensis.

Proper cleanliness and feces removal are essential for preventing both kinds of capillaria  infection.

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