Hemolytic crisis
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Hemolysis - acute
Hemolytic crisis occurs when large numbers of red blood cells are destroyed over a short time. The loss of red blood cells occurs much faster than the body can produce new red blood cells.
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Considerations
Causes
Causes of hemolysis include:
- A lack of certain proteins inside red blood cells
- Autoimmune diseases
- Certain infections
- Defects in the hemoglobin molecules inside red blood cells
- Defects of the proteins that make up the internal framework of red blood cells
- Side effects of certain medicines
- Reactions to blood transfusions
When to Contact a Medical Professional
Call your health care provider if you have:
- Symptoms of anemia, including pale skin or fatigue, especially if these symptoms get worse
- Urine that is red, red-brown, or brown (tea-colored)
What to Expect at Your Office Visit
Emergency treatment may be necessary. This may include a hospital stay, oxygen, blood transfusions, and other treatments.
When your condition is stable, your provider will perform a physical examination and ask about your medical history and symptoms. The physical exam may show swelling of the spleen (splenomegaly).
Tests that may be done include:
- Blood chemistry panel
- Complete blood count (CBC)
- Coombs test
- Haptoglobin
- Lactate dehydrogenase
Treatment depends on the cause of hemolysis.
Related Information
| HemolysisHemolytic anemia...AnemiaHematocritGlucose-6-phosphat...AcuteHemoglobin | Anemia - InDepth... |
References
Gallagher PG. Hemolytic anemias: red blood cell membrane and metabolic defects. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 152.
