Parasitic

- Recommend E. histolytica serology and chest x-ray.

- Check for history of diarrhea.

- Often do not have high spiking fevers (unlike bacterial liver abscess).

 
Usual Pathogens

Entamoeba histolytica

 

Empiric Therapy Dose Duration
Metronidazole followed by 500-750mg PO tid 7-10 days
Paromomycin (to eradicate luminal cysts) 25-35 mg/kg/day PO divided tid 7 days