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Hematology

Causes of Anemia: What Is Beta Thalassemia?

Beta thalassemia is a rare, inherited blood disorder that may affect blood cell counts.

Lauren Smith, MASanjai Sinha, MD
Written by Lauren Smith, MA | Reviewed by Sanjai Sinha, MD
Updated on May 13, 2025
Featuring Jonathan Feld, MDReviewed by Sanjai Sinha, MD | May 13, 2025

Anemia is commonly linked to iron deficiency. However, anemia can happen for a number of reasons. One cause of anemia is a condition called thalassemia. This inherited condition causes the body to have trouble producing hemoglobin, which helps red blood cells carry oxygen.

In this video, learn about one subtype — beta thalassemia — and how it can cause anemia, according to Jonathan Feld, MD, Hematology Specialist at The Mount Sinai Hospital in New York City.

References

American Society of Hematology. (n.d.). Anemia.

Bajway, H., et al. (2022). Thalassemia. StatPearls.

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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