In vitro sensitivity of Entamoeba histolytica to furazolidone and iodochlorhydroxyquin, separate and combined.

Entamoeba histolytica trophozoites isolated in Robinson's medium from faeces containing cysts, transported from India, have been tested in vitro against the drugs furazolidone, iodochlorhydroxyquin, and both drugs combined as Dependal. Results show the levels at which drug action is significant and that interaction between the drugs occurs at two concentrations.