Parasites - types, diseases that are available, prevention and more (2023)

A parasite is a living organism established in another organism known as guest and usually causes damage.Parasites depend on their host for food and survival.

A parasite cannot live exclusively from a host;cannot grow or multiply.

Although some people may draw some similarities among other predators and parasites, a significant difference is that parasites are usually often smaller than the guest and all reproduce at a rapid pace.

What is a parasite?

A parasite is any organism that lives within another living organism known as the host.

The parasite is not able to defend itself;therefore, it uses host resources to feed all itsVital cycle.I use host support for self -health and subsistence.

The parasites vary a lot.If there are thousands of parasites, about 70 % of them are not visible to physical eye, an example of these microorganisms is the malaria parasite, but there are certain parasites of worms that can grow up to 30 meters.

Although it should be taken into account that parasites are not a disease, it should also take into account that they can spread infections and disease.Different parasites have unique effects on their guests.


These are the parasites that live within their host bacteria

Endoparasites are naturally based on a third organism, known as bearer or vector.The vector is what transfers the endoparasite to the guest.One of the most popular vectors of various parasites is mosquito, including protozoa called plasmodium, which is the cause of malaria.



They are parasites who feed on other parasites in a relationship called hyperparasitism.An example of hyperparasitism is a flea that lives in a cat, but with a protozoan in the digestive tract of the flea.The protozoan is that this is the case hyperparáruço.

Types of parasites

There are three main types of parasites.

  • Protozoa: Examples of protozoaInclude the exclusive body called Plasmodium.It is possible that the protozoa will be multiplied or divided into the host.
  • Helminths:This is another category of parasites.Creatures in this group are parasites of worms.Helminths are the cause of schistosomiasis.Other examples of such parasites are Pinworm, Lombriga, Fluke, Trichina Spiralis and Tenya.
  • ECTARKASAS:These types of parasites live instead of their hosts.They include fleas and lice.


There are several types of parasites, as mentioned at the beginning of this article, and symptoms usually vary widely.Sometimes symptoms caused by the presence of parasites may resemble other conditions, such as pneumonia, hormone deficiency or food poisoning.

Symptoms that can be shown include:

  • Increased appetite,weight loss, the both
  • Scams or rashes
  • Abdominal pain, diarrhea and vomiting
  • Anemia
  • Sleeping problems
  • Allergies
  • Weakness and usually feel sick
  • Fever

However, it is difficult to predict the symptoms caused by the presence of parasites because they can transmit a wide variety of conditions.

There are often no symptoms in the manifestation, or they may seem much after infection.But even with the absence of physical symptoms, the parasite can still be transmitted to an uninfected person who may develop symptoms.

Human parasites

Many types of parasites can affect humans.


This is a small can of amoeba can cause an eye, skin and brain infection.tap water.


This is a disease caused by parasites that carry the ticks.The disease affects thered blood cellsAnd it has a higher risk in summer around the northeast and higher of the west of the United States.

(Video) Most Painful Parasites That Infect Humans


This is a balatidium coli disease, which is a single cell parasite that infects mainly pigs, but can cause intestinal infections in rare human cases.It can be extended by drinking contaminated water or by direct contact with pigs.


This is a disease that affects the gut.Blastocystis enters the human body through the fecal-oral route.Anyone can get a diet or drink anything that has been contaminated with animal or human feces where the parasite is present.


This is a disease that affects human intestines.CoccidiaIt is transmitted through the fecal-oral route.It is a condition found around the world.

It can also affect cats and dogs, but these are different from the types that affect humans.Cats, dogs and humans cannot usually infect each other.


This is a disease caused by the parasite known as the histolitical fecal oral jelly.


Giardia, also known as "beaver fever", is a disease that affects the light of a person's thin intestine.If humans continue to drink something that has been contaminated with feces, inactive cysts can cause an infection to the body.

Isosporiasis the cyclosporiasis

This is a disease caused by Cystoisospora Belli, formally called Isaospora Belli.An infection in the epithelial cells of the epithelial cells of thesmall intestine.

It can be found worldwide and is preventable and treatable.It is passed through the fecal-oral route.


This is a common disease that is transferred by parasites belonging to the Leishmania family.It can affect the viscera, skin or mucous membranes of the mouth, nose and throat.

(Video) Parasitism: Types of parasites prevention and control

It can be a fatal condition.The types of sand flies transmit the parasite responsible for this case.

Meningoencephalitis amebica Primaria (PAM)

This is a disease transmitted through a free -life amoeba known as Naegleria fowleri.AFFETO to the brain callednervous systemAnd is almost always fatal within 1 to 18 days after infection.

It is transmitted through pools, breathe in contaminated soil and the use of infected water, but not by drinking water.


There are different types of plasmodium that affect red blood cells.This disease exists in hot tropical regions and is transported and transmitted mainly by the Anopheles mosquito.


This is a disease caused by Rhinosporidium Seeberi.It mainly affects the conjunctiva mucosa, the nose and the urethra.

The polyps cause nasal masses that can only be removed by surgery.Take a bath in natural lagoons can expose your nasal mucosa to this parasite.


This is a form of parasitic pneumonia caused by the parasite toxoplasma gondii.Singe your eyes, liver, heart and brain.It can occur anywhere in the world.

People can infect with this parasite after drinking raw or small lamb, pork, goat, milk or, although contact with the floor or food that is contaminated with cat peanuts.

A person who has aHealthy immune systemIn general, it will not show any physical symptoms, but it can be serious for people with weak immune systems and during pregnancy.

(Video) Don't Ignore These Early Symptoms of Parasites In Your Body


Parasites - types, diseases that are available, prevention and more (1)

This condition is also known as "Trich"And it is an infection (STD) of sexually transmission by the parasite called vaginalis trichomonas. It may affect men, but will not show symptoms. It mainly affects female urogenital tract.

Tripanosomiasis (sleep disease)

Also calledAfrican sleep diseaseTripanosomiasis is a disease that is transmitted when a Tsé -Tsé fly transmits a parasite that belongs to the Trypanosoma family.The parasite affects blood, central nervous system and lymph.

It causes a change in standard or sleep behavior, among many other physical symptoms, and is considered fatal without immediate treatment.Can cross the placenta and even infect a fetus duringThe pregnancy.

Chagas disease

This is a disease that affects muscle, blood, nerves, esophagus, heart and colon.It is transferred through an insect bite.300,000 people in the United States have the parasite that causes this disease.


Parasites - types, diseases that are available, prevention and more (2)

Worms, or helminth organisms, can affect animals and humans.

  • Anticia:This is a disease caused by worms that can invade the stomach wall or the intestines.The worms are transmitted through fresh or slightly cooked squids and fish.
  • Round Crazy:A round worm or ascariase infection usually shows no physical symptoms, but the worm can be noticed in the stool.It is among the human body through the consumption of contaminated food or drinks.
  • Round limit of raccoon:Baylriscaris is a disease transmitted through maphes of maps.It can affect the liver, brain, lungs and intestines.Do not adopt this raccoon as a pet.
  • Clonorchiasis:It is also called Chinese hepatic fluke disease, clonorchiasis is a disease that affects the gallbladder.A person can infect this disease after eating raw, preserved or poorly processed freshwater fish.
  • Renalis Dioctophoimas Infection:It is a giant renal worm that can move comfortably through a person's stomach wall to the liver and finally the kidney.People can infect the disease after accidentally eating parasites along with fresh or poorly cooked fish of water.
  • Difficulty tests:This disease affects the blood and the gut.Human beings can infect the disease after eating raw fish that live fully or partially in freshwater.The prevalence of this disease has increased in certain parts of the developed world, probably as a result of the growing popularity of salty fillets, sushi, ceviche and other dishes involving raw fish.
  • Guinea Worm:This is a disease that affects subcutaneous tissues and muscles and is known what causesulcersyAmpoulesThe worm can be evident in the ampoule.As worms are eliminated or detached, they enter the water or soil and are transferred from there.
  • ANCHELOSTOMA:These are common causes of intestinal disease.These parasites lay their eggs on the floor, and their larvae can easily penetrate the human skin.Early physical symptoms of anystization include erupting and itching.Anchlosastomas are more common in moist places and places with Maloseño.
  • Hemenepanis:Human beings can be infected with this disease when they eat the material contaminated by cockroaches, rodents, flour beetles and food worms.
  • Tenester de Equinococosis:Cystic echinociosis can cause lung and liver cysts, and alveolar equinoxes can lead to a liver tumor.Humans can obtain an infection after direct contact with an infected animal or when eating foods contaminated by excretes of an infected animal.
  • Enterobiasis Pinworm:A worm of the subprocess, or a worm, Vermicular Enterobius can lead to housing in the human colon and the rectum.The worms lay eggs around the anus of a person while sleeping, which leads to itching.These parasites are extended by the oral route.
  • Fasciolose Hepatic Fluke:This parasite affects the liver and gallbladder.It also goes from one mammal to another using snails as a means of transport.A person can get this parasite by eating battery.
  • Fluke Fluke Intestinal Fasciolopsiasis:This would be a parasite that affects the gut.It can also be transmitted through contaminated water consumption or water plants.
  • Gnatostomíase:This parasite causes swelling under the skin and occasionally can affect the eyes, liver and nervous system.It is a rare infection, but it can be very fatal.It is necessary mainly in southeastern Asia.It is transmitted by eating curls, fish of freshwater, pigs, pigs, frogs and chickens.
  • FILARIEI:Also called loiase, this is an infection caused by the worm loa or the worm of the African eyes.This parasite causes swelling with itching all over the body.It is necessary mainly in West and Central Africa and is transmitted by deer bite.
  • Mansonselose:This is an infection transmitted through mosquito bites or black flies.Mansolosis affects the layers under the surface of the skin, but can reach the blood.It can cause swelling, angioedema, fever, rash and joint problems.This parasite is more common in Africa and Central America.
  • Blindness of the river:This disease is caused by a worm called onchcerca back;This affects the skin, eyes and other body tissues.It is a disease that is close to fast flow water and is transmitted through the bite of a black fly.If well in South America, 90 % of reported cases are in Africa.
  • Fluk Pulmonor:It is also called paragonimase, this is an infection that affects the lungs, causing symptoms similar to those of tuberculosis (TB).This parasite can reach the central nervous system, causing the dreaded disease for meningitis.This parasite is transmitted when they eat raw or small freshwater crabs, crabs and other crustaceans.It is almost everywhere in the world, but more common in parts of Asia.
  • Schistosomiasis, billiards or snail fever:There are several types of schistosomiasis that are known to affect humans.They can affect the skin and internal organs.Shake Skin Skin.Worms were not found in the US, but are popular in other parts of the world.
  • Surprise:Human beings can be infected with sparganosis if foods that are contaminated with cat feces or dogs that have the larvae of one that belongs to the Spirometra family.Sparganosis is rare and can cause migratory abscess under the skin.
  • Redondo:This is a parasite that can lead to severe and even fatal immunodeficiency.The parasitization of the fortress was contaminated.It is mainly produced in subtropical and tropical regions.
  • Faint of meat and pork:Teniasis is a disease caused by everything that belongs to the Taenia family.They attack the gut and are transmitted by eating meat or meat of raw or poorly cooked pork.
  • Toxocarias:This is an infection transmitted by a round worm of animals.14 % of people living in the United States have antibodies, suggesting that millions of people were exposed.Most never show symptoms.
  • Triquinose:This is an infection caused by the round worm that belongs to the Trichinella family.An infection can cause fever, intestinal symptoms and muscle aches.It is transferred from animals to humans who eat little cooked meat.
  • Whipworm:Also called tricuriasis, whip worms remain in the human gut.Your eggs are passed on the stool, and it is a parasite that prevails around the world.Humans can infect by drinking eggs that accidentally consume fruits or vegetables without washing.
  • ElephantFilariasis lymphatic:This is an infection transmitted through mosquito bites.Adult worms reside in the lymphatic system.Infection can lead to elephantiasis and lymphedema, in which swelling can cause disability and disability.The parasite is transmitted by the culexquefasciatus mosquito.
  • Most people sometimes confuse ringworm with a real worm, but it is a fungal infection and not a real worm.


Parasites - types, diseases that are available, prevention and more (3)

As explained above, these parasites live outside the body.An example of this parasite is fleas.

(Video) Types of Parasitic Diseases and Diagnostics with Richard Bradbury

  • Mite:These are ordinary parasites that can affect the skin and also vision.They are not restricted to specific parts of the world, as they extend evenly in all geographical places.You can find them in May of some hotel rooms and in newly -alleged accommodation.
  • Body Lice:These are another widespread parasite that is found around the world.A lice infection can spread through skin contact -a -signaling,sexual activityand share bedding or clothes.
  • Crab lice:These are a common parasite that affects the eyelashes and the pubic area.They extend through skin contact to the skin, sexual activity and sharing of clothes or bedding.
  • Demodex:They are parasites that affect eyelashes and eyebrows.They can be found worldwide and can rapidly extend through prolonged skin contact.
  • Sarna:This is a parasite that affects the skin.It is not specific for geographical location and can be extended through skin contact to the skin, sexual activity and bed or clothing sharing.
  • Worm for screw:This is a parasite transmitted by a fly and can affect wounds and skin.It is mainly in North Africa and Central America.
  • Lice:They are parasites that live on the scalp and attack the hair follicles.They are not specific to geographical places and spread quickly through face to -face contact.Contact with saliva causes itching.


You can increase your chances of staying for parasites by:

  • Find out what kind of parasite prevails where it resides and places you can visit
  • Take precautions how to useinsect repellentIn areas where flies and mosquitoes are common
  • Be careful to feed only well -cooked meat and fish.
  • When traveling to new places, drink only bottled water with a sealed upper
  • Be careful when bathing in lakes or freshwater rivers
  • If you notice any symptoms and suspect a parasite infection, see adoctor.

Parasites come in a variety of shapes and sizes and can cause a wide range of symptoms and medical problems.Not all parasites are treatable.

Leave a comment below if you have questions or contributions.


1. Deadly Worms!!! – A look at Soil Transmitted Helminths
(Let's Learn About Bugs)
2. What is a Parasite? | Types of Parasite? | How Parasites Spread? | Symptoms and Treatment
(learning junction)
3. Food-borne Diseases Transmitted by Parasites
(American Society for Microbiology)
4. 9 Warning Signs of Parasites
(Dr. Eric Berg DC)
5. Communicable Diseases | Pathogens - Virus, Bacteria, Fungi, Parasite
(Your ONLINE Teacher PH)
6. Microbiology of Parasites
(Microbiology Videos)
Top Articles
Latest Posts
Article information

Author: Edwin Metz

Last Updated: 05/19/2023

Views: 6237

Rating: 4.8 / 5 (78 voted)

Reviews: 85% of readers found this page helpful

Author information

Name: Edwin Metz

Birthday: 1997-04-16

Address: 51593 Leanne Light, Kuphalmouth, DE 50012-5183

Phone: +639107620957

Job: Corporate Banking Technician

Hobby: Reading, scrapbook, role-playing games, Fishing, Fishing, Scuba diving, Beekeeping

Introduction: My name is Edwin Metz, I am a fair, energetic, helpful, brave, outstanding, nice, helpful person who loves writing and wants to share my knowledge and understanding with you.