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Thalassemia (say "thal-uh-SEE-mee-uh") is a blood disease that is passed from a parent to a child. It causes your body to make less hemoglobin, a protein in red blood cells. Low levels of this protein can cause anemia. This illness makes you feel weak and tired. When anemia is severe, it can harm your organs. In some cases, it can lead to death.
There are two main types of thalassemia—alpha and beta. Both forms may be mild or severe. If you have alpha thalassemia, it means that you were born with one or more alpha-globin genes that do not work as they should. If you have beta thalassemia, it means that you were born with one or more beta-globin genes that do not work as they should.
Thalassemia is most common in people of African, Asian, and Mediterranean descent. You may want to be tested for it if someone in your family has the disease. Or maybe your family comes from a place where the disease is more common.
You can be a carrier of the disease and not have symptoms. This means you "carry" an alpha-globin or beta-globin gene that does not work as it should. If someone in your family has the disease, you may be a carrier. To check for it, all you need is a blood test.
Your test results can help you make choices about having children. If you test positive, your partner should be tested too. You can have a child with the disease even if you don't have signs of it. Your chances of having a child with serious thalassemia depend on how many abnormal genes you and your partner have.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
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Current as of: March 28, 2019
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine & Brian Leber MDCM, FRCPC - Hematology
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