Causes of Iron Deficiency
Iron has both a storage pool and a functional pool. Iron deficiency can be absolute (the body’s iron store is empty) or functional (when the release of iron is compromised).
![iron depletion](https://knowidinhf.com/wp-content/uploads/2022/06/iron-depletion.jpg)
Causes of Iron Deficiency
![reduced absorption](https://knowidinhf.com/wp-content/uploads/2022/06/reduced-absorption.jpg)
Causes of Iron Deficiency
AI gastritis
Bariatric surgery
PPIs
Anti-H2
H pylori
Hookworm
infection
Bleeding
Oedema
Coeliac disease
![inadequate intake](https://knowidinhf.com/wp-content/uploads/2022/06/inadequate-intake.jpg)
Inadequate intake
Vegetarian/vegan diet Malnutrition
![increased body needs](https://knowidinhf.com/wp-content/uploads/2022/06/increased-body-needs.jpg)
Increased body needs
Infants/ preschoolers Pregnancy EPO treatment Elite athletes
![chronic blood loss without anaemia](https://knowidinhf.com/wp-content/uploads/2022/06/chronic-blood-loss-without-anaemia.jpg)
Chronic blood loss (without anaemia)
GI cancers Donations Heaves menses NSAIDs Haematuria Coagulopathy Steroids
![having certain chronic diseases](https://knowidinhf.com/wp-content/uploads/2022/06/having-certain-chronic-diseases.jpg)
Having certain chronic diseases*
Inflammatory bowel disease (IBD) Chronic heart failure Chronic kidney disease Celiac disease
*block iron transporters and reduce iron absorption, causing functional iron deficiency.
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REFERENCES:
Al-Naseem, Abdulrahman, et al. “Iron deficiency without anaemia: a diagnosis that matters.” Clinical Medicine 21.2 (2021): 107
Anand, Inder S., and Pankaj Gupta. “Anemia and iron deficiency in heart failure: current concepts and emerging therapies.” Circulation 138.1 (2018): 80-98.