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The causative agent is roundworm.

The transmission path is feck-op. Anthroponosis, geohelmintosis - for the maturation of eggs, their stay in the soil at 24 ° C is necessary.


Eggs enter the intestine, larvae are released from them, which enter the portal vein through the wall of the intestine, then into the liver (by the 5th day). By the 10th day - hematogenously into the lungs, where they molt 2 times, break through the wall of the alveoli and through the respiratory tract enter the oropharynx, where they are swallowed and again enter the intestine (day 15). Shedding 2 more times - become sexually mature. 10-12 weeks after the invasion, eggs are laid. During migration - intoxication and sensitization by the products of the exchange of larvae.

The clinical picture.

With invasion - cm intoxication.

In the liver - pain, heaviness in the right hypochondrium, hepatomegaly.

In the lungs — Leffler’s family — a cough, dry or with sputum, spasm of blood, an asthmatic comp, shortness of breath, chest pain, wheezing, with Rg - “volatile infiltrates” that change configuration and localization.

In the blood - eosinophilia.

In the intestinal phase - dyspepsia, malabsorption.


Where roundworms get there, there will be a complication - acute appendicitis, hepatic colic, obstructive jaundice, pancreatitis, obstruction, perforation.

Diagnosis - detection of eggs in feces, larvae in sputum.


The early phase is mebendazole (100 mg / 2 p / day for 4 days), thiabendazole (50 mg / kg / 2 p / day for 5-7 days).

Intestinal phase - decaris (levamisole) 150 mg once, pyrantel (10 mg / kg), medamine (10 mg / kg), piperazine (1g / 3r / day for 2 days).
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  1. Ascariasis
    The causative agent is roundworm, parasitic in the adult stage in the small intestine. Ascaris life expectancy is about a year. At the stage of migration (the first 6-8 weeks after infection), Ascaris larvae exert a mechanical and sensitizing effect, causing eosinophilic infiltrates in the tissues of various organs and causing hemorrhages. In the intestinal phase (8 weeks after the lesion), adult roundworms
  2. Ascariasis
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  4. Epizootological data
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  5. Helminthiasis
    Helminthiasis is a group of diseases caused by parasitic worms - helminths. Over 250 types of helminths have been described in humans, of which in Russia representatives of the class of roundworms are of greatest importance: causative agents of ascariasis, hookworm infections, trichinosis, enterobiasis; trichocephalosis; class of tapeworms: teniosis, diphyllobothriasis, echinococcosis; class of flukes:
  6. Geohelminthiasis
    Ascaridosis - caused by roundworm parasitizing in the small intestine of a person. These are round worms with pointed ends. The body length of the female is 25–40 cm, the male is 15–20 cm. The only source of causative agents of ascariasis is a sick person. A roundworm female lays up to 200-240 thousand immature eggs per day (their size is 0.06 x 0.04 mm), which enter the environment with human feces. Eggs
  7. Crib. Infectious diseases, 2010
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  9. Levamisole
    It is characterized by a narrow spectrum of activity. Acts only on some round helminths. It is one of the drugs of choice for the treatment of ascariasis. The mechanism of action The anthelmintic effect is due to a violation of the bio-energy of helminths and a paralyzing effect. The spectrum of activity of roundworm, pinworms and some other nematodes. Pharmacokinetics is well and rapidly absorbed in
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