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Related to blackwater fever: dengue fever
a severe complication of malaria characterized by intravascular hemolysis, hemoglobinuria, renal failure, and passage of dark brown or red urine, seen in association with intermittent quinine therapy, with Plasmodium falciparum infection in the nonimmune, or with interrupted exposure in the partially immune.
hemoglobinuria resulting from severe hemolysis occurring in falciparum malaria.Synonym(s): malarial hemoglobinuria
blackwater fever(blăk′wô′tər, -wŏt′ər)
A serious, often fatal complication of chronic malaria, characterized by the passage of bloody, dark red or black urine.
Lab Severe haemolysis with haemoglobinuria, red cell and epithelial cell casts in urine
black·wa·ter fe·ver(blak'waw'tĕr fē'vĕr)
Hemoglobinuria resulting from severe hemolysis occurring in falciparum malaria.