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Parasitic infections in children

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Parasitic infections in children can occur when parasitic organisms, such as protozoa or helminths (worms), invade the body and cause various health issues. These infections can range from mild to severe and may affect different organ systems. Here’s an overview of common parasitic infections in children:


  • Cause: Giardiasis is caused by the parasite Giardia lamblia, which is often found in contaminated water or food.
  • Symptoms: Common symptoms in children include diarrhea, stomach cramps, nausea, and weight loss.
  • Transmission: Giardia is typically spread through the ingestion of contaminated water or food, especially in areas with inadequate sanitation.


  • Cause: Amoebiasis is caused by the protozoan parasite Entamoeba histolytica.
  • Symptoms: Children with amoebiasis may experience diarrhea, abdominal pain, and, in severe cases, liver abscesses.
  • Transmission: The parasite is often transmitted through the ingestion of contaminated water or food.


  • Cause: Malaria is caused by the Plasmodium parasite, which is transmitted through the bite of infected Anopheles mosquitoes.
  • Symptoms: Symptoms can include fever, chills, fatigue, headache, and anemia. Severe cases can lead to organ failure and death.
  • Prevention: Preventing mosquito bites through the use of insect repellent and bed nets is essential in malaria-endemic regions.

Pinworm Infection:

  • Cause: Pinworm infection is caused by the tiny parasite Enterobius vermicularis.
  • Symptoms: Children with pinworms may experience itching around the anus, especially at night, as well as difficulty sleeping and irritability.
  • Transmission: Pinworms are highly contagious and are often spread through contact with contaminated surfaces or objects.

Roundworm (Ascariasis):

  • Cause: Ascariasis is caused by the parasitic roundworm Ascaris lumbricoides.
  • Symptoms: Infection may cause abdominal pain, malnutrition, and, in severe cases, intestinal obstruction.
  • Transmission: Children can become infected by ingesting soil or food contaminated with roundworm eggs.

Hookworm Infection:

  • Cause: Hookworm infection is caused by the hookworm parasites Ancylostoma duodenale or Necator americanus.
  • Symptoms: Symptoms may include anemia, fatigue, and abdominal pain.
  • Transmission: Hookworm larvae can penetrate the skin when walking barefoot on contaminated soil or by ingestion.


  • Cause: Schistosomiasis is caused by Schistosoma parasites and is contracted when skin comes into contact with contaminated freshwater.
  • Symptoms: Symptoms can include abdominal pain, bloody diarrhea, and liver or bladder damage.
  • Prevention: Avoiding contact with contaminated water is essential in preventing infection.


  • Cause: Toxoplasmosis is caused by the parasite Toxoplasma gondii, which can be found in cat feces and undercooked meat.
  • Symptoms: In children, symptoms are often mild, but severe cases can lead to vision problems or developmental issues.
  • Prevention: Proper food handling and avoiding contact with cat feces are preventive measures.

Parasitic infections in children can vary widely in severity and can have long-term health consequences if not treated promptly. If you suspect your child has a parasitic infection, seek medical attention for a proper diagnosis and treatment. Prevention measures, such as good hygiene practices and avoiding contaminated food and water sources, are also crucial in reducing the risk of parasitic infections in children.

The content is provided for informational purposes only and is not intended as medical advice or as a substitute for medical advice of a physician