Table 4.
Antiparasitic Therapy for Entamoeba histolytica Infection
| Drug of Choice | Daily Dose | Duration, d | Alternatives | |
|---|---|---|---|---|
| Tissue-active agent | ||||
| Amebic colitisa | Metronidazole or | 750 mg po TID (35–50 mg/ kg/d divided TID) | 5–10 | Nitazoxanideb |
| Tinidazole | 2 g po once daily (50 mg/kg once daily) | 3–5 | ||
| Amebic liver abscess and disseminated amebic diseasea | Metronidazole or |
750 mg po TID (35–50 mg/ kg/d divided TID) | 10 | - |
| Tinidazole | 2 g po once daily (50 mg/kg once daily) | 5 | ||
| Luminal agent | ||||
| Asymptomatic carriage or following tissue-active agent | Paromomycin | 25–35 mg/kg/d by mouth divided TID | 7 | Iodoquinol/diiodohydroxyquin diloxanide furoatec |
Abbreviations: BID, twice daily; IV, intravenous; po, by mouth; TID, three times daily.
aSevere disease or unable to tolerate oral therapy, use metronidazole 1500 mg IV divided TID (7.5–30 mg/kg/d divided TID) [46].
bLimited data, 500 mg po BID (≥12 years), 200 mg BID (age 4–11 years), or 100 mg BID (age 1–3 years) for 3 days.
cIodoquinol 650 mg po TID (30–40 mg/kg/d po divided TID for children) for 20 days after meals (optic neuritis and peripheral neuropathy have been reported), diloxanide furoate 500 mg po TID (20 mg/kg/d po divided TID for children) for 10 days [57].