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Iron deficiency anaemia: symptoms, causes & treatment

Low iron causes tiredness, breathlessness and pale skin — common in menstruating women and after blood loss. Needs blood tests to confirm before treatment.

Editorial information by Kaiser Khan. Not clinically reviewed.

Symptoms

  • Fatigue and weakness
  • Pale skin or nail beds
  • Breathlessness on exertion
  • Headaches
  • Craving ice or unusual foods (pica)

Why it happens

Heavy periods, pregnancy, poor dietary intake, coeliac disease, or slow blood loss from the gut. Men and post-menopausal women need investigation if iron is low.

Treatment

Iron tablets after confirmed deficiency — with investigation of underlying cause via GP. Online blood tests can check levels before GP review.

Self-care that helps

Iron-rich diet (red meat, pulses, leafy greens) with vitamin C to aid absorption; avoid tea with meals.

When to get help

Black stools, significant blood loss, fainting or iron deficiency in men — urgent GP assessment.

See our iron deficiency anaemia support →