noun, noun or participle which takes 'suru', intransitive verb
bloody stool; hematochezia; melena
Medical term for passing blood from the bowels. Can refer to bright red blood (hematochezia) or black tarry stool (melena). Used as a noun or with する.
下血が続く場合は、すぐに病院に行ってください。
If you continue to pass bloody stool, please go to the hospital immediately.
昨夜から下血している。
I have been passing bloody stool since last night.