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Diseases reference index «Megaloblastic anemia»

Megaloblastic anemia

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

Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues.

Causes

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

Other less common causes are:

  • Alcohol abuse
  • Certain inherited disorders
  • Drugs that affect DNA, such as chemotherapy drugs
  • Leukemia
  • Myelodysplastic syndrome
  • Myelofibrosis

Risk factors relate to the causes.

See also:

  • Anemia - B12 deficiency
  • Folate-deficiency anemia
  • Pernicious anemia

Symptoms

See:

  • Anemia - B12 deficiency
  • Folate-deficiency anemia
  • Pernicious anemia

Exams and Tests

For testing information, see:

  • Anemia - B12 deficiency
  • Folate-deficiency anemia
  • Pernicious anemia

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.

See:

  • Anemia - B12 deficiency
  • Folate-deficiency anemia
  • Pernicious anemia

Alternative Names

Anemia - megaloblastic