The Collaborative International Dictionary
Bloody flux
Bloody flux \Blood"y flux`\
The dysentery, a disease in which the flux or discharge from
the bowels has a mixture of blood.
--Arbuthnot.
Wiktionary
bloody flux
n. (context archaic English) dysentery
Usage examples of "bloody flux".
The old Viscount of Certis opposed our tariffs, and he and his entire family died of the bloody flux.
Fortunately for us, before the hangman could get to him, he died of a bloody flux.
Already we've had reports of sickness in the camps, fever and brownleg and three cases of the bloody flux.
The next week both small pox and the bloody flux began to go through the camp.
They were no use as food, and most folk thought them poison, for they would cause vomiting and purging and a bloody flux.