What Is Hemolytic Anemia?
Hemolytic anemia is a disorder in which red blood cells are destroyed faster than they can be made. This process is called hemolysis. The bone marrow may not be able to keep up with the demand for new red blood cells, leading to anemia.
There are two main types:
- Inherited hemolytic anemias – caused by genetic defects (e.g., sickle cell anemia, thalassemia, hereditary spherocytosis).
- Acquired hemolytic anemias – develop later in life due to infections, medications, autoimmune disorders, or other external factors.
Common Symptoms
Symptoms vary depending on the severity and cause but often include:
- Fatigue and weakness
- Pale or yellowish skin (jaundice)
- Dark urine
- Rapid heart rate or palpitations
- Shortness of breath
- Enlarged spleen
Note: Some people may have mild or no symptoms initially, especially if the anemia develops slowly.
Diagnosis
Doctors use several tests to diagnose hemolytic anemia:
- Complete Blood Count (CBC) – checks red blood cell count, hemoglobin, and hematocrit.
- Reticulocyte count – measures young red blood cells; high levels suggest increased production due to hemolysis.
- Bilirubin test – elevated indirect bilirubin indicates red blood cell breakdown.
- Coombs test – detects antibodies that attack red blood cells (used for autoimmune causes).
- Peripheral blood smear – examines red blood cell shape under a microscope.
Treatment Options
Treatment depends on the underlying cause and severity:
- Medications – corticosteroids or immunosuppressants for autoimmune types.
- Blood transfusions – for severe cases to quickly increase red blood cell levels.
- Folic acid supplements – support red blood cell production.
- Splenectomy – surgical removal of the spleen in certain inherited forms.
- Treating underlying conditions – such as infections or stopping offending drugs.
When to See a Doctor
If you experience persistent fatigue, unexplained jaundice, dark urine, or rapid heartbeat, consult a healthcare provider. Early diagnosis can prevent complications like heart problems or severe anemia.