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NEET UG 2026 » NEET UG Study Material » Biology » Amoebiasis
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Amoebiasis

A parasitic infection of the colon with the amoeba Entamoeba histolytica. This article covers the symptoms, management, and the causes of Ameobiasis.

Table of Content
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Introduction

Amoebiasis is being caused by a protozoan parasite whose name is Entamoeba histolytica. It’s conjointly referred to as amoebiosis. protozoal infection lives within the gut of the body and that they square measure cosmopolitan. It produces eggs or cysts, that passes go in the body with the stool. The results of protozoal infection is diarrhoea and redness. Protozoal infection is that the infection that is caused by one amongst the microorganisms that transmits through contaminated food or contaminated water. Onset time is highly variable and the average asymptomatic infection persists for over a year. It is theorised that the absence of symptoms or their intensity may vary with such factors as strain of amoeba, immune response of the host, and perhaps associated bacteria and viruses.

The ingestion of one viable cyst may cause an infection.

Steroid therapy can occasionally provoke severe amoebic colitis in people with any histolytica infection. This bears high mortality: on average more than 50% with severe colitis die.

An outbreak of amoebic dysentery occurs in Diana Gabaldon’s novel A Breath of Snow and Ashes.

Causes of protozoal infection

  • Amoebiasis may be caused by living in areas that have poor hygienic conditions

  • The food and water that is being contaminated by excrement of infected individuals and if we have a tendency to ingest then it will cause protozoal infection

  • Amoebiasis also can be caused if you swallow the cysts of the parasite and may even be occurred by the oral-anal sexual contact with the one that is often infected

Symptoms of protozoal infection

Sometimes individuals could show zero symptoms of this malady. Typically, if an individual is infected with this malady, he will face mild to severe symptoms. Those symptoms may be chills, fever, weight loss, discomfort in the abdomen and looseness of the bowels which may embody the blood or secretion with then constipation.

If symptoms occur, they may be mild and include cramping and diarrhoea. Bloody stools, fever and, rarely, a liver abscess may occur in severe cases.

People may experience:

  • Pain areas: in the abdomen

  • Gastrointestinal: blood in stool, diarrhoea, or flatulence

  • Whole body: fatigue, fever, or loss of appetite

  • Also common: weight loss

Who is in danger from amoebiasis

  • If somebody has traveled to tropical locations that have poor sanitation, they might be in danger for protozoal infection malady. Immigrants from tropical countries that have poor hygienic conditions also are in danger. those who live in places or establishments having dangerous hygienic conditions rather like prisons, square measure at the danger for this malady.

  • People whose system isn’t sensible and powerful at the side of having alternative health conditions square measure at a risk of this malady.

How is that this disease diagnosed?

  • According to World Health Organisation this ailment is diagnosed by asking the patient about the recent health conditions and travel history

  • Doctors will check you concerning the presence of E. Histolytica for locating out the presence of cysts, a doctor could raise you to grant stool samples for several days

  • Science laboratory tests also can be taken for locating out the functioning of the liver and for deciding if it’s broken your liver or not

  • Sometimes, the parasites spreads outside the internal organ of the body which ends up in not exposure within the stool

  • Thus, this can be the explanation, doctors conjointly suggested American state to travel for associate ultrasound

Treatments out there for protozoal infection

The cases of protozoal infection that don’t seem to be sophisticated square measure typically being treated by a ten-day course of antiprotozoal drug that square measure being taken as a capsule. Doctors conjointly generally bring down medication for dominant the nausea if the patient desires it. The cases that square measure sophisticated and have an inclination to wreck the infected organs, might have surgeries.

Prevention of protozoal infection

Prevention of amoebiasis is by improved sanitation, including separating food and water from faeces. There is no vaccine. There are two treatment options depending on the location of the infection. Amoebiasis in tissues is treated with either metronidazole, tinidazole, nitazoxanide, dehydroemetine or chloroquine, while luminal infection is treated with diloxanide furoate or iodoquinoline. Effective treatment against all stages of the disease may require a combination of medications. Infections without symptoms do not require treatment but infected individuals can spread the parasite to others and treatment can be considered. Treatment of other Entamoeba infections apart from

Proper sanitation is that the main factor to contemplate for preventing protozoal infection. Heaps of belongings you ought to consider whereas motion to the places wherever the infection is incredibly common. The regime that has to look after square measure –

  • Wash your food and vegetables terribly fastidiously and properly before feeding

  • You should avoid feeding vegetables and fruits that don’t seem to be washed and in the raw off properly

  • You should drink the water once boiling it

  • Avoid feeding street foods

  • Avoid feeding farm merchandise that don’t seem to be change integrity

    Conclusion

    Amoebiasis infection is most common in tropical areas with untreated water. It spreads through drinking or eating uncooked food, such as fruit, that may have been washed in contaminated local water.

    If symptoms occur, they may be mild and include cramping and diarrhoea. Bloody stools, fever and, rarely, liver abscess may occur in severe cases.

    Treatment includes antibiotics.

faq

Frequently asked questions

Get answers to the most common queries related to the NEET UG Examination Preparation.

What is Amoebiasis?

Ans. Amoebiasis is caused by a parasite known as Entamoeba Histolytica. The protozoal infection cau...Read full

What causes protozoal infection?

Ans. Poor hygienic conditions causes protozoal infection. Contaminated food and water, consumption...Read full

What are the symptoms of protozoal infection?

Ans. Sometimes no symptoms are showed of this infection. Symptoms range from mild to severe when s...Read full

Who are more likely suffer from Amoebiasis?

Ans. People who have travelled to places with poor sanitation are more likely to suffer from Amoeb...Read full

What are the diagnosis of Amoebiasis?

Ans. A patient is asked their recent travel history when they are diagnosed with Amoebiasis. Patie...Read full

How is the protozoal infection treated?

Ans. The protozoal infection is treated in a ten day course of an antiprotozoal drug. Doctors also...Read full

Ans. Amoebiasis is caused by a parasite known as Entamoeba Histolytica. The protozoal infection caused redness and diarrhoea. It is caused due to use of contaminated food or water. The asymptomatic infection stays for over a year. Ingestion of a cyst can also cause an infection.

Ans. Poor hygienic conditions causes protozoal infection. Contaminated food and water, consumption of an infected cyst of the parasite and oral or anal sexual contact with the infected can cause this protozoal infection.

Ans. Sometimes no symptoms are showed of this infection. Symptoms range from mild to severe when showed. The patient can feel feverish, chills, loss of weight, discomfort in abdomen and constipation. When the patient suffers mild symptoms, he suffers diarrhoea and cramping. He also suffers bloody stools and fever. People may experience pain in abdomen, blood in stool, fatigue, fever or loss of appetite. Weight loss is also common.

Ans. People who have travelled to places with poor sanitation are more likely to suffer from Amoebiasis. People travelling from tropical countries with poor hygienic conditions are also more likely to contact this disease. People with low immunity and facing other health conditions are also more likely to suffer from this disease.

Ans. A patient is asked their recent travel history when they are diagnosed with Amoebiasis. Patient can be asked to submit their stool samples to locate the infectious cysts. Your tests can be taken to check the functioning of the liver.

Ans. The protozoal infection is treated in a ten day course of an antiprotozoal drug. Doctors also give medication to bring down the nausea. In severe cases, where the internal organs of the patient are damaged, surgery is suggested.

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