Parasitological examination (stool)

General Information

Enterobius vermicularis,  Enterobiosis is the most common helminthosis. Enterobiosis is caused by a small white worm Enterobius vermicularis or Oxyuris vermicularis. Enterobius is called a sword in another way. Its egg matures in 4-6 hours and a mobile worm is formed in it. If a mature egg gets into the mouth of a person, he will get sick with enterobiosis. Enterobius lives in the intestine of an infected person. It comes out mainly at night and lays its eggs in the folds around the perianal opening.

Ascaris lumbricoides - Human-specific cylindrical worm (nematode) that causes ascariasis.

Ascariasis is one of the most common parasitic diseases. It is transmitted through the fecal-oral route. The clinical picture reflects the stages of the parasitic cycle of Ascarida, with manifestations caused by lung larvae and adult parasites of the small intestine:

• Transient interstitial hypereosinophilic pneumonia Loeffler: spastic cough, sneezing, serous sputum containing eosinophils and Charcot-Leyden crystals;
• Polymorphic allergies;
• Enteritis: pain around the navel, vomiting, disturbance of movement of intestinal contents; The number of parasites in the intestine may exceed 40; At this level, it exerts mechanical and toxic effects and can cause intestinal obstruction and protein-calorie malabsorption.

How to prepare for the test / rules of material collection

• Stool analysis is required for the same day, but if you want to deliver material of feces, which is collected the day before, it is important to store the feces in a cool place in a small amount in a plastic or glass container before delivery.
• Place 10 ml of thin stool or walnut-sized stool sample in a container. It is important to take stool from different areas, especially those areas where mucus or blood is visible.

Before the test, usually No special training is requiredHowever, there are situations when a parasitological examination of feces should not be performed:

• Within 10 days of a barium enema X-ray of the gastrointestinal tract
• During antibiotic therapy for 14 days;
• When taking or receiving mineral oils, bismuth, anti-diarrhea and laxatives 7 days.