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When will you clinically diagnose iron deficiency anaemia ?

Clinical features of iron deficiency anemia are
Presence of anaemia.
H/o pica that is eating of strange non-nutrient items such as 
  • Eating of clay is called  as geophagia. 
  • Eating of Ice is called as pagophagia.
  • Eating of cornstarch is called  as amylophagia   
Angular stomatitis, cheilosis.
Dysphagia due to Plummer-Vinson syndrome or Paterson-Kelly syndrome.
Mild splenomegaly, rarely seen in iron deficiency anemia
What are the common causes of iron deficiency anaemia?
  • Nutritional deficiency.
  • Bleeding peptic ulcer.
  • Bleeding haemorrhoids.
  • Hookworm infestation.
  • Malabsorption syndrome.
  • Menorrhagia.
  • Pregnancy, lactation.