A Brief Note on the Use of Congo Red in Protozoal Dysentery

among troops evacuated from Burma, most of whom had come through the so-called ' DryBelt ', some had severe hemorrhage per rectum. These cases had vegetative forms of Entamoeba histolytica in large numbers in the stools and these could be found even in the almost pure blood passed. The usual routine treatment of emetine, bowel washes, salines, etc., had no effect on the haemorrhage nor had the ordinary haemostatic serum. In one case, the patient had had thirty-four motions in twenty-four hours, all of which were pure blood containing a few