DISEASE SCANNER
Global Incurable Diseases Tracker
Giardiasis
An intestinal infection caused by the parasite Giardia lamblia (also called Giardia intestinalis or duodenalis). Common waterborne disease causing diarrhea, gas, and stomach cramps. Most common intestinal parasitic disease in US.
200.0M
111
Symptoms
Treatment Options
Risk Factors
Diagnostic Methods
- 1Stool O&P exam
- 2Stool antigen test
- 3Enteroscopy with biopsy (rare)
- 4String test (entero-test)
- 5PCR
Prognosis
Excellent with treatment; 80-95% cure rate. Some develop post-infectious IBS. Lactose intolerance may persist. Malabsorption in chronic cases.
Prevention
- Safe drinking water
- Hand washing
- Proper sanitation
- Avoiding swallowing recreational water
- Food safety
- Travel precautions
Research Status
Nitazoxanide, metronidazole, tinidazole effective. Some resistance emerging. Vaccine development challenging due to parasite variability. Water treatment and hygiene most effective prevention. Research into chronic giardiasis mechanisms.
Affected Countries
Sources
- https://www.idsociety.org
- https://www.cdc.gov/
- https://www.hematology.org/education/patients
- https://www.ncbi.nlm.nih.gov/books
- https://rarediseases.org/rare-diseases
Medical Disclaimer
This information is for educational purposes only. Always consult healthcare professionals for medical advice, diagnosis, and treatment.