- a severe form of malaria characterized by kidney damage and hemoglobinuria resulting in urine that is dark red or black.
- a rare and serious complication of malaria, characterized by massive destruction of red blood cells, producing dark red or blackish urine
- a form of babesiosis seen in cattle, deer, bison, water buffalo, African buffalo, and reindeer; characterized by fever, depression, jaundice, dark red-black discolouration of the urine, anaemia, and death
