Causes of Iron Deficiency • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin C • ↓ Absorption: Gastritis, Surgery, Drugs, H pylori, Celiac, Enteritis, Bleeding, Hookworm • ↑ Needs: Pregnancy, Children, EPO / chemotherapy, Athletes • Blood Loss: Gl lesions / cancer, Menorrhagia, Blood donations, Hematuria, Coagulopathy • Inflammation: IBD, Chronic disease (↑ hepcidin) • Others: Hemolysis, Iron metabolism disorders Dr. Keith Siau @drkeithsiau #Iron #Deficiency #Causes #differential #diagnosis #anemia #nutrition
