Understanding Lab Tests for Amebiasis
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Amebiasis is a parasitic infection of the intestines caused by Entamoeba histolytica, a microscopic parasite. This condition can cause symptoms ranging from mild digestive issues to severe dysentery, and requires specific laboratory testing for accurate diagnosis.
Recommended Test
Ova & Parasites w/Giardia Antigen (Stool)
This comprehensive stool test is the primary diagnostic tool for amebiasis. It directly detects the presence of Entamoeba histolytica ova (eggs) and parasites in stool samples, which indicates an active intestinal infection. The test also screens for other parasites including Giardia, providing a thorough assessment of parasitic infections.
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Diagnosing Amebiasis
Because symptoms of amebiasis can mimic other gastrointestinal conditions like bacterial infections or inflammatory bowel disease, laboratory testing is essential for definitive diagnosis. Direct detection of the parasite or its components in stool samples provides the most reliable confirmation of infection.
Understanding Your Test Results
A positive result for Entamoeba histolytica confirms the diagnosis of amebiasis and indicates the need for antiparasitic treatment. Early diagnosis and treatment are important to prevent complications such as liver abscesses or intestinal perforation, which can occur in severe cases.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment.
