bloody flux

Boyd’s Bible Dictionary:

(flow). Violent dysentery (Acts 28:8).

Concise Bible Dictionary:

Dysentery, one of the worst diseases in the East, always attended with fever (Acts 28:8).

Strong’s Dictionary of Greek Words:

Greek:
δυσεντέρια
Transliteration:
dusenteria
Phonic:
doos-en-ter-ee’-ah
Meaning:
from 1418 and a comparative of 1787 (meaning a bowel); a "dysentery"
KJV Usage:
bloody flux