
There are different ways to infect humans with parasites.Statistics indicate that the presence of parasites in the body and infectious diseases is a common cause of human death.
Scientists have discovered fungi, bacteria and even algae in blood plasma.Intestinal helminths are the most common.
Parasites can live inside a person for a long time.In 60% of cases, chronic and oncological diseases are caused by their vital activity.With prolonged exposure to microorganisms, internal organs and the entire immune system suffer.
Parasite infection methods
Methods of infection with parasites are different.Parasites are microorganisms that live at the expense of another organism and are biologically and ecologically linked to it.Parasites can feed on juices, tissues and foods that a person consumes, remaining temporarily or permanently in the body.
You can become infected with helminths in the following ways:
- By dirty hands.
- In contact with the ground.
- For insect bites.
- If you eat an undercooked piece of meat or fish.
- If you do not wash fruits and vegetables before eating them.
- If you have illiterate contact with animals.
- In contact with a person sick with helminths.
Worm eggs can be found in soil, water, dirty fruits and vegetables, and in meat or fish that has not undergone sufficient heat treatment.
In some cases, infection can occur as a result of an insect bite, but it is extremely rare, since helminth eggs mainly enter the body with food.Dirty hands can also become a source of helminthiasis infection.
You can also be infected by a sick person with pinworms.The pinworm crawls through the anus and lays its eggs in the anus.In turn, they can remain on underwear and end up in a person's hands.The larvae can remain on the toilet, front door handle and other objects.If personal hygiene rules are not followed, they enter the body of other family members.If helminths are detected in one of the family members, all household members should undergo treatment.
Waterborne infection occurs through drinking unboiled water or swimming.
What types of helminths are there?
The most common group of intestinal worms includes nematodes.These include hookworms, roundworms, pinworms, heartworms and trichinella.
The second major group includes the protozoa, or single-celled parasites.These are amoebas, lamblia, neospores, cryptosporidium, etc.
Entamoeba histolytica infection can occur from drinking dirty water.In this case, loose stools appear, severe abdominal pain and vomiting occur.Sometimes, in severe cases, such manifestations lead to complications in the liver.People often confuse amoebic dysentery infection with a viral infection.
Millions of single-celled parasites can exist and grow on the walls of the stomach, preventing the proper absorption of nutrients necessary for the body.
Characteristic signs of giardiasis
Symptoms of a parasite infestation include:
- Accumulation of gas in the stomach.
- Patchy stools with pieces of undigested food.
- Chills.
- Increased sweating.
- Frequent abdominal pain.
- Loose stools.
In the absence of treatment for parasites, over time a person will begin to lose weight and often get sick due to the exhaustion of the immune system.Of course, it is not advisable to rely solely on symptoms to identify parasites.It is necessary to carry out a series of stool and blood tests to detect helminths.Treatment depends largely on the degree of infection.In traditional medicine, there are many recipes for the treatment of helminthiasis;in difficult cases, it is better to resort to medication.
Classification of helminths
Worms are divided into flat and round.
Flat views:
- Trematodes, including schistosomes, opisthorchis, etc.
- Cestodes - echinococcus, pork tapeworm, alveococcus.
Roundworms or nematodes:
- Pinworm.
- Roundworm.
- Trichinella.
- Hookworm.
The most common types of helminths are:
Schistosomes
This type of worm has different sexes;in appearance it resembles a needle with a length of 0.4 to 2.6 cm.Females are considered large and can produce up to 300 larvae per day.
The route of transmission is mainly through swimming in polluted waters.Infection occurs through human mucous membranes and accidental ingestion of dirty water while bathing.Once in the body, the larva transforms into an adult within a day, capable of producing hundreds of similar organisms.
Schistosome reaches sexual maturity after entering the human venous system through the bloodstream.Individual eggs can be found in the intestines, urine and mucous membranes.After defecation, the schistosome begins its journey in the same way.
This parasite can remain in the human body for decades, causing irreparable harm to the patient.It is not the schistosomes themselves that are dangerous, but their eggs.They accumulate on internal organs and, with their thorns, cause damage, damaging tissues, which often causes various ulcers.
There are symptoms that allow a person to determine the presence of schistosomes in the body:
- lack of appetite;
- anemia;
- enlarged liver and changes in the spleen;
- poor intestinal motility;
- stomach pain;
- diarrhea or constipation;
- sudden weight loss;
- bleeding in the intestines;
- pain when urinating;
- allergic reactions;
- general weakness.
Cestodes
Cestodes are tapeworms that can reach gigantic lengths.So, the length of an adult is on average 0.5 cm.A female cestode is capable of laying up to 200,000 eggs per year.
Thanks to special devices on the heads in the form of suction cups, the cestodes are tightly attached to the intestinal walls.In this case, the whole body suffers.These worms are especially dangerous for young children, because their vital activity depletes the body and causes anemia in a short time.
The routes of infection are fecal-oral, i.e. dirty hands, fruits and vegetables.The larvae, once in the intestines, spread through the veins throughout the body, penetrating the liver, heart and even the oral cavity.A number of larvae die while the rest are swallowed again.
The main signs of a parasitic infestation:
- nausea and vomiting;
- yellowing of the skin;
- pancreatitis;
- frequent colds;
- development of bronchitis and pneumonia.
Prevention of parasitic infestations
Since there are many ways to become infected with parasites, there are certain rules that you should follow to protect yourself and your family members from possible ingestion of worm larvae.
- Compliance with personal hygiene rules.Frequent hand washing will prevent parasites from entering the human body.This should especially be taught to children, because they often put their hands and various objects in their mouths.
- Thoroughly wash fruits and vegetables in running or boiled water.
- Extermination of flying and crawling insects (flies, cockroaches) in residential areas, as they carry helminth eggs.
Many experts believe that every person, to one degree or another, is a carrier of parasites, so it is necessary to cleanse the body from time to time.