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What worms do humans have?

The cause of many diseases and poor health is infection with helminths.Various worms can penetrate the human body.Their size varies from the smallest millimeter to 16–18 meters.Parasitizing all organs and tissues, it causes great harm to health.To protect yourself from invasion (infection), it is advisable to know the types of worms there are and understand how you can become infected with each type of parasite.

parasites from the human body

What types of worms - parasites live in the human body

Depending on the location of parasitism in the body and the characteristics of the infection, parasites are divided into several classes.

The classification of worms depends on their location in the human body:

  1. intestineare worms that live in the gastrointestinal tract, especially in the small intestine.Sometimes they penetrate other organs.This group includes tapeworms and roundworms.
  2. outside the intestine– develops, lives and reproduces in various organs outside the intestine.They can be localized in the lungs, eyes, brain, and liver.This group includes flatworms.
worms from the human body

The classification of worms depends on the method of entry into the human body:

  1. contagious– transmitted to a healthy person from an infected person during contact.Another source of infection is household items: towels, toys.Representatives of this species are dwarf tapeworms and pinworms.
  2. Biohelminthiasis– transmitted through contact with animals, as a result of eating contaminated meat that has not undergone adequate heat treatment.To be potentially dangerous to humans, these parasites must live for a certain period in the body of an animal that is an intermediate host.These species include cattle and pig tapeworms.
  3. Geohelminthiasis– part of the life cycle is spent in the human body, and part in the soil.This is a necessary condition for their development.You can get infected through vegetables and fruits that are not washed properly.This group includes roundworms and trichinae.

Depending on their biological characteristics, helminths are divided into three types - roundworms, tapeworms, and worms.

tapeworms from the human body

Roundworms (nematodes)

Ringworms are so called because their bodies are round in cross section.This parasite is most often found in the body of children.These types include:

  1. pinworms– parasites in the large and small intestines.Their body length does not exceed 1 cm.Most often, helminthic attacks with pinworms affect children.This parasite lives for 1-2 months.If you strictly follow personal hygiene, you can recover even without taking medicine.If it is not followed, repeated self-infection is possible.
  2. Ringworm– worms up to 45 cm long, which are parasites of the small intestine.They can move freely in the intestines.Their lifespan is 14 months.During this period, they release toxins into the blood, systematically poisoning the body.
  3. whipworm- worms, whose body length is 3-4 cm.They are parasites in the colon and cecum, digging into their mucous membranes to suck blood.Very toxic.They live up to 5 years.
  4. Trichinella– a parasite with a length of 3–4 mm, which can be infected through meat that has undergone insufficient heat treatment.Helminths live in different organs, settling in the muscles of the eyes, heart, and lungs.Shelf life is up to 2 years.
  5. Hookworms and necators– have the same biological characteristics, development cycle and method of parasitism, therefore they are combined under the same name "worms".These helminths, 10-15 mm long, are localized in the duodenum.They enter the human body through the skin when in contact with contaminated soil.They feed on blood by biting through blood vessels, which leads to iron deficiency anemia.These parasites are difficult to identify.
trichinella from the human body

Tapeworms (cestodes)

Tapeworms have flat bodies that are divided into segments.When the worm grows, the segments separate from the body and are excreted in the feces.This ribbon-shaped individual can reach a length of up to 20 m.They parasitize the intestine, where they attach to its wall using suckers.

In order to infect a person, a tapeworm must go through one of the stages of development in the animal's body.

This parasite lives in the body for many years.Representatives of this group:

  1. Wide tapeworm– reaching a length of up to 20 m.It is a parasite of the small intestine, causing severe dysfunction of the digestive tract.You can become infected by eating meat from freshwater fish and crayfish that have not been heat treated.
  2. Bull tapeworm- helminth 6–12 m long.Lives in the small intestine, attached by suction cups to its mucous membrane.The source of the infection is beef that has not undergone proper heat treatment.
  3. Pork tapeworm– parasites up to 2 m long, which enter the body through raw or poorly processed pork.Adheres to the wall of the small intestine.
  4. Echinococcus– parasites that can be contracted from cats and dogs.A person is an intermediate host for these helminths, therefore, when they enter the body, the larvae penetrate the tissue, any organ and form echinococcal cysts.They can only be removed through surgery.
  5. Alveococcus- a type of echinococcus.Very dangerous helminths that can live in any organ, but especially liver parasites.They actively grow and develop according to the principle of cancer metastasis, gradually infecting the whole body.Worms can be surgically removed.
pig tapeworm from humans

Flukes (trematodes)

Flukes are a type of worm that parasitizes any organ and tissue.They feed on epithelial cells.They reach a length of 1.5 m.Its body is shaped like a leaf.The route of infection is the consumption of raw fish and seafood or after insufficient heat treatment.These types include:

  1. Heartbreak– worms 7–20 mm long.Parasitizes the liver and bile ducts.Cause the development of serious diseases and functional disorders.
  2. Fluke– worms 4–13 mm long, located in the gallbladder.
fluke in the gallbladder

Symptoms - signs of worms in humans

How exactly helminthiasis manifests itself depends on the type of worm that has infected the body and its number.The main symptoms of helminthic attack:

  • diarrhea or constipation;
  • flatulence, flatulence;
  • pain in muscles and joints;
  • anemia;
  • allergic reactions;
  • dermatitis;
  • weight problems - weight loss or obesity;
  • sleep disorders;
  • nervousness, irritability, depressed state;
  • apathy, fatigue;
  • cough, inflammation of the respiratory tract;
  • weak immunity.
insomnia as a symptom of worms in the body

How to determine if there are worms

If symptoms appear that may indicate the presence of worms, it is appropriate to diagnose.The following tests will help identify parasites:

  1. Stool examination.
  2. Blood test.
  3. Study of duodenal secretion.
  4. Analysis of perianal and rectal mucus.
  5. Ultrasound, tomography, endoscopy.

You can be sure of the diagnostic results if you take the test 3-4 times with an interval of several days.One analysis is not enough to confirm the absence of helminthic infestation.

The human body can be affected by one type of worm or several at once.All of them, regardless of size, cause serious health problems and are the causative agents of complex chronic diseases that cannot be cured for many years.To eliminate the risk of infection, it is necessary to conduct diagnostics and preventive treatment periodically.This is especially true for pet owners.