What is the definition or description of: hemolytic anemia?

Hemolytic anemia is: Related to the destgruction (hemolysis) of the the red blood cells. The most common causes are related to immune attack.

RBC breakdown: Hemolytic anemia is where red blood cells are destroyed too quickly. There are many possibilities that would cause this rbc breakdown. Antibodies, abnormal rbc membranes (spherocytosis), abnormal hemoglobins (sickle cell, thalassemia), abnormal rbc enzymes. If hemolytic anemia is is suspected, many tests may be ordered to determine the cause.