All about the Intestinal Parasites

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Intestinal parasites are living species living within a living organism (host), feeding on their nutrients. One in three people is infected with intestinal parasites at some point in their life, and most of the time the immune system eliminates them before causing any symptoms.
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Intestinal parasites are living species living within a living organism (host), feeding on their nutrients. One in three people is infected with intestinal parasites at some point in their life, and most of the time the immune system eliminates them before causing any symptoms.

Although they can be found anywhere in the human body, the intestine is the ideal environment for the development and multiplication of parasites.

Parasites complicate our lives a lot. You may experience symptoms like chronic diarrhea, constipation, cramps, bloating and maybe vomiting. You may think that those are the side effects of your medical condition or diet changes.

However, it may be due to intestinal parasites and other digestive tract infections. It’s time to learn everything about them here.


There are two types of intestinal parasites:

  • Helminths- are pluricellular organisms, such as tapeworms, pinworms, roundworms. Helminths can have a length from a few millimeters to a few feets and they feed on the intestine.

Helminths are a group of parasitic worms that live in the intestines of humans or animals. They are classified as being either roundworms or flatworms. Roundworms have long, cylindrical bodies, while flatworms have flat bodies.

Helminths can be found all over the world. In most cases, it is not necessary to treat them because they do not cause serious illness in humans. However, in some cases, helminths can cause serious illness and even death if left untreated.

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  • Protozoa- are unicellular organisms such as giardia, lamblia, microsporidia. They multiply within the body. They can cause diarrhea, nausea, abdominal pain, and vomiting.

The most common protozoa to infect humans are Entamoeba histolytica (histo), Giardia lamblia (giardia), Cryptosporidium parvum (crypto), Cyclospora cayetanensis (cyclo), Isospora belli (isospora), and Blastocystis hominis (blasto).

These parasites spread through water or food contaminated by the feces of an infected person. They can also be transmitted through close contact with an infected person or animal.

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Symptoms of parasite infection

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  • headaches
  • diarrhea
  • constipation
  • nausea
  • bloating and intestinal gas
  • stomach ache
  • fatigue and drowsiness
  • weight loss
  • lack of appetite

People infected with intestinal parasites are also at increased risk for other health problems because parasites affect the immune system of the body.


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Worms and intestinal parasites are the results of the following factors:

  • Food and contaminated water consumption.
  • The consumption of raw or poorly prepared meat.
  • Poor body hygiene, especially inappropriate handwashing.
  • Frequent trips to poor or developing countries where poor sanitary conditions exist.
  • Age – children and the elderly are predisposed to this type of infection.
  • A weakened immune system.

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How parasites are transmitted

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Some parasites can easily be transmitted from a sick person to a healthy person. These parasites reach inside the body via the air, water, food, hands by contact with the soil or other environment infected, either because of poor hygiene or because of contact with animals.

How do we prevent them from occurring?

Water is a source for many parasites, do not drink tap water from an insecure source when traveling, wash your hands before touching the food, treat all types of meat appropriately. It is important to have the right hygiene, to wash the dishes, the cutlery, wash the fruits and vegetables thoroughly.

How we get rid of parasites?

Antiparasitic treatments can be very aggressive and may have unpleasant side effects, primarily damaging the liver

I recommend that you choose natural deworming treatments with increased efficiency and without undesirable side effects.

The main plants with antiparasitic effect are: 

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  • black walnut
  • cloves
  • wormwood
  • garlic
  • thyme
  • oregano
  • propolis

Last Thoughts:

Our bodies are home to millions of beneficial microbes, and some parasites who, if treated correctly, cause no harm. Parasites can have a great deal of influence on our overall health and functioning.

Many symptoms can tell us if we have parasites, with cramps and diarrhea being the most common. These parasites can also be responsible for depression or anxiety, so it is always important to determine if they are at fault rather than the mind alone.

Luckily, intestinal parasites are not a common occurrence. However, it is important to be aware of the symptoms, so that you can seek treatment as soon as possible.

Also, remember to watch what you eat, and keep your surroundings clean and hygienic to ensure you don’t get infected with intestinal parasites.

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