The presence of free hemoglobin in the urine is known as ________, a rare condition caused by transfusion reactions, malaria, drug reactions, snakebites, or severe burns.

Free Hemoglobin

Hemoglobin that is not bound within red blood cells but is free in the plasma, often a sign of hemolysis or the breakdown of red blood cells.

Transfusion Reactions

Adverse responses that can occur during or after a blood transfusion, including allergic reactions, fever, and more serious conditions.

Malaria

A mosquito-borne infectious disease affecting humans and animals, caused by parasitic protozoans belonging to the Plasmodium genus.