Amoebiasis Due To Entamoeba Histolytica C2930799
An intestinal infection caused by a microscopic parasite found in contaminated food or water. It causes stomach pain and diarrhea. Treated with anti-parasitic medications.
Key facts at a glance
- ICD-10
- B99.9
- ICD-11
- 1A00.0
- Body system
- infectious
- Severity
- moderate
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Hepatic abscess formation
Pulmonary amoebic abscess
Bloody diarrhea
(infectious)Fever or malaise
(infectious)Noticeable symptoms that may vary in intensity over time.
Frequency: Varies
Abdominal cramping
(infectious)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Antiamoebic pharmacotherapy
Treatment with nitroimidazole antibiotics followed by luminal agents to eliminate intestinal infection. Metronidazole targets invasive trophozoites while luminal agents clear colonic cysts.
Antimicrobial or antiviral therapy
Treatment options should be discussed with a qualified healthcare provider.
Hydration and electrolyte repletion
Aggressive oral or intravenous fluid replacement to address dehydration from diarrhea. Electrolyte monitoring and correction essential in severe cases.
Additional treatment options
BRAT diet modification
Gradual reintroduction of bland, low-fiber foods including bananas, rice, applesauce, and toast during recovery. Advancement to normal diet as tolerated.
dietaryParasitological follow-up testing
Repeat stool examination to confirm eradication of infection after completing treatment. Multiple samples may be needed for adequate sensitivity.
monitoringSanitation and food safety practices
Improved personal hygiene, safe water consumption, and proper food preparation to prevent reinfection and transmission. Hand washing with soap after defecation is critical.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Amoebiasis Due To Entamoeba Histolytica C2930799?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
World Health Organization. Amoebiasis: WHO Guidelines for Treatment and Prevention. Trans R Soc Trop Med Hyg. 2022.
Petri WA Jr, Singh U. Enteric Amoebiasis Due to Entamoeba histolytica: Clinical Manifestations and Management. Clin Microbiol Rev. 2019.
Gonzalez-Saldaña N, Hernandez-Peredo R, Vazquez-Rosales G. Comparative Efficacy of Metronidazole and Tinidazole for Amoebic Liver Abscess: A Systematic Review and Meta-Analysis. Am J Trop Med Hyg. 2021.
Stanley SL Jr. Amoebiasis and Infection with Entamoeba histolytica. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Elsevier; 2020.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy