What causes Anemia?

The main causes of anemia are:

• Blood loss, such as that caused by:
  • Heavy menstrual periods
  • Bleeding in the digestive tract
  • Bleeding in the urinary tract
  • Surgery
  • Trauma
  • Cancer
• Abnormally low RBC production, due to:
  • Kidney disease
  • Cancer
  • Infection
  • Medication
  • Radiation
  • Pregnancy
  • Lead intoxication
• Abnormally high RBC destruction, caused by inherited disorders such as:
  • Sickle cell anemia
  • Thalassemia -difficulty in manufacturing hemoglobin
  • Enzyme deficiencies