Hemoglobin C disease
Clinical hemoglobin CHemoglobin C disease is a blood disorder passed down through families. It leads to a type of anemia, which occurs when red blood cells break down earlier than normal.
Anemia
Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues. Different type...
Read Article Now Book Mark ArticleCauses
Hemoglobin C is an abnormal type of hemoglobin, the protein in red blood cells that carries oxygen. It is a type of hemoglobinopathy. The disease is caused by a problem with a gene called beta globin.
The disease most often occurs in African Americans. You are more likely to have hemoglobin C disease if someone in your family has had it.
Symptoms
Most people do not have symptoms. In some cases, jaundice may occur. Some people may develop gallstones that need to be treated.
Jaundice
Jaundice is a yellow color of the skin, mucus membranes, or eyes. The yellow coloring comes from bilirubin, a byproduct of old red blood cells. Jau...
Read Article Now Book Mark ArticleGallstones
Gallstones are hard deposits that form inside the gallbladder. These may be as small as a grain of sand or as large as a golf ball.
Read Article Now Book Mark ArticleExams and Tests
A physical exam may show an enlarged spleen.
Enlarged spleen
Splenomegaly is a larger-than-normal spleen. The spleen is an organ in the upper left part of the belly.
Read Article Now Book Mark ArticleTests that may be done include:
- Complete blood count
Complete blood count
A complete blood count (CBC) test measures the following:The number of white blood cells (WBC count)The number of red blood cells (RBC count)The numb...
Read Article Now Book Mark Article - Hemoglobin electrophoresis
Hemoglobin electrophoresis
Hemoglobin is a protein that carries oxygen in the blood. It is present inside the red blood cells. Hemoglobin electrophoresis measures the levels ...
Read Article Now Book Mark Article - Peripheral blood smear
Peripheral blood smear
A blood smear is a blood test that gives information about the number and shape of blood cells. It is often done as part of or along with a complete...
Read Article Now Book Mark Article - Blood hemoglobin
Blood hemoglobin
Serum free hemoglobin is a blood test that measures the level of free hemoglobin in the liquid part of the blood (the serum). Free hemoglobin is the...
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Treatment
In most cases, no treatment is needed. Folic acid supplements may help your body produce normal red blood cells and improve the symptoms of the anemia.
Outlook (Prognosis)
People with hemoglobin C disease can expect to lead a normal life.
Possible Complications
Complications may include:
- Anemia
- Gallbladder disease
- Enlargement of the spleen
When to Contact a Medical Professional
Contact your health care provider if you have symptoms of hemoglobin C disease.
Prevention
You may want to seek genetic counseling if you are at high risk for the condition and are considering having a baby.
References
Howard J. Sickle cell disease and other hemoglobinopathies. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 149.
Smith-Whitley K, Kwiatkowski JL. Hemoglobinopathies. In: Kliegman RM, St. Geme JW, Blum NJ, et al, eds. Nelson Textbook of Pediatrics. 22nd ed. Philadelphia, PA: Elsevier; 2025:chap 511.
So JCC, Ma ESK. Hemoglobin and hemoglobinopathies. In: Rifai N, Chiu RWK, Young I, Burnham CAD, Wittwer CT, eds. Tietz Textbook of Laboratory Medicine. 7th ed. St Louis, MO: Elsevier; 2023:chap 77.
Wilson CS, Vergara-Lluri ME, Brynes RK. Evaluation of anemia, leukopenia, and thrombocytopenia. In: Jaffe ES, Arber DA, Campo E, Harris NL, Quintanilla-Martinez L, eds. Hematopathology. 2nd ed. Philadelphia, PA: Elsevier; 2017:chap 11.
Review Date: 3/31/2024
Reviewed By: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.