blackwater fever

noun Pathology.

1. a severe form of malaria characterized by kidney damage and hemoglobinuria resulting in urine that is dark red or black.

noun

1. med a rare and serious complication of malaria, characterized by massive destruction of red blood cells, producing dark red or blackish urine

n.

1. A serious, often fatal complication of falciparum malaria, characterized by the passage of bloody, dark red, or black urine.