​​​​​​​​​​​​​​​​​​​​​​​​​W​​h​​​​​at is ​​​dientamoeba fragilis?

Dientamoeba fragilis is a microscopic parasite that lives in the intestines of humans. It is found worldwide and is increasingly recognised as a cause of gastrointestinal illness.

What are the symptoms of dientamoeba fragilis?

Many people infected with d​ientamoeba fragilis have no symptoms at all. When symptoms do occur, they may include:

• loose stools or diarrhoea
  
• abdominal pain
• weight loss
• loss of appetite
• nausea
• fatigue.​
  

How does ​​dientamoeba fragilis spread?

The exact mode of transmission is still not fully understood. However, because the parasite lives in the gastrointestinal tract, it is believed to spread via the faecal-oral route. This means infection can occur if a person ingests food, water, or objects contaminated with faeces from an infected individual.

Who is at risk of ​​ dientamoeba fragilis?

Dientamoeba fragilis is found in many people worldwide, including those with no symptoms. However, individuals travelling to areas with poor sanitation are at greater risk of infection.

How can ​​dientamoeba fragilis be prevented?

Good hygiene is essential in preventing infection. Follow these precautions:

• Wash hands thoroughly with soap and water for at least 10 seconds, especially after using the toilet, before preparing food, and after changing nappies.
• Avoid consuming food or water that could be contaminated with sewage.​
  
• Wash and peel all raw fruits and vegetables before eating.
• When travelling to areas with unsafe water supplies, avoid drinking unboiled tap water.

How is ​​ dientamoeba fragilis diagnosed?

Diagnosis is typically made by identifying the parasite in one or more stool samples, often in combination with reported symptoms.

How is ​​ dientamoeba fragilis​ treated?

Medications are available to treat dientamoeba fragilis, though they may not always fully resolve symptoms. If symptoms persist, a doctor may investigate other potential causes.​​

[Back to top]