FieldDx

Drug reference · Isometamidium

IsometamidiumCattle dose, withdrawal and citation, from FieldDx’s free offline veterinary formulary.

What it’s for

Prophylaxis and treatment of trypanosomiasis (including Surra) in cattle and other livestock. Currently the main prophylactic trypanocide in general use, since quinapyramine was withdrawn from cattle use — see the separate Quinapyramine entry.

Dose · Cattle

Dose0.5–1 mg/kg IMCattle

Doses are shown as published, not averaged or extrapolated across sources. Enter this animal’s body weight in the interactive drug guide to calculate the amount.

Source

FAO — A Field Guide for the Diagnosis, Treatment and Prevention of African Animal Trypanosomosis (accessed 2026-08-10)

FieldDx condenses and attributes; it never reproduces a source whole. Check the source line and page before dosing.