Megaloblastic anemia

Alternative Names

Anemia – megaloblastic

Definition of Megaloblastic anemia

Megaloblastic anemia is a blood disorder in which there is with larger-than-normal red blood cells.

Causes, incidence, and risk factors

Megaloblastic anemia is usually caused by a deficiency of folic acid or vitamin B12.

Symptoms

See:

Signs and tests

For testing information, see:

Treatment

The first goal is to diagnose the cause of the anemia. The treatment depends on the cause. Anemias related to specific vitamin deficiencies are discussed separately.

Review

Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 1/31/2010

Megaloblastic anemia - view of red blood cells
Hypersegmented PMN (Close-up)
Blood cells

ADAM Medical Encyclopedia

Article written by

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org). URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability.