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Abdul Mannan – Ferritin After IV Iron: Timing Matters
Dr Abdul Mannan/LinkedIn
Oct 9, 2025, 13:12

Abdul Mannan – Ferritin After IV Iron: Timing Matters

 

Abdul Mannan, Consultant Haematologist at Betsi Cadwaladr University Health Board, posted on LinkedIn:

”Ferritin after IV iron: Timing matters

Seeing a ferritin of 800 µg/L two weeks post-infusion? Don’t panic – and definitely don’t start chelation.
Ferritin is an acute-phase reactant. After IV iron, it rises transiently for days to weeks, reflecting repletion, not overload.

Best practice:
Check Hb at 2–4 weeks (primary endpoint)
Defer ferritin + TSAT until ≥4–8 weeks
Use TSAT for early iron status assessment

Iron overload requires persistent ferritin >1000 µg/L, organ iron on MRI, and predisposing conditions – rare outside transfusion-dependent states.
Misinterpreting post-infusion ferritin leads to unnecessary anxiety and inappropriate referrals. Patience and context prevent harm.”

Read more here.

IV Iron

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Abdul Mannan benign hematology Betsi Cadwaladr University Health Board Ferritin haematology Hb Health Hematology Hemoglobin Hemostasis Hemostasis Today Iron Therapy Iron-Deficiency Iron-Deficiency Anemia IV Iron Medicine thrombosis Transferrin Transferrin Saturation TSAT
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