Haematology
Iron Deficiency Anaemia
BSG 2021 — diagnosis (ferritin, transferrin saturation), GI investigation in adults, iron replacement (oral vs IV), recurrence assessment.
Source: BSG 2021; BSH
Used in: Anaemia
Step 1 of ~3
info
Diagnose IDA
Microcytic hypochromic anaemia (MCV ↓, MCH ↓) + iron studies: ferritin <30 micrograms/L (definitive); ferritin 30–100 + transferrin saturation <20% suggests IDA in chronic disease/inflammation. Pseudo-deficiency in inflammation: ferritin acute-phase reactant — interpret with CRP. Symptoms: fatigue, breathlessness, pallor, koilonychia, glossitis, angular cheilitis, pica, restless legs. Causes: blood loss (GI, menstrual, urinary, surgical), malabsorption (coeliac, IBD, gastrectomy, H. pylori), increased demand (pregnancy, growth), dietary insufficiency.
Related
Curated clinical cross-links plus same-class fallbacks.
Drugs
- Ferric Carboxymaltose (IV Iron — Pregnancy) · IV Iron Preparation — Iron Deficiency Anaemia in Pregnancy
- Iron Supplementation (Paediatric) · Iron Supplement — Iron Deficiency Anaemia in Children
- Hydrocortisone (Oral Replacement) · Glucocorticoid Replacement
- Estradiol (HRT — Hormone Replacement Therapy) · Oestrogen Replacement Therapy
- Ferrous Sulphate · Iron Supplement (Oral)
- Ferrous Sulphate · Iron Supplement (Oral)
Pathways
- Major Haemorrhage / Massive Transfusion · BCSH; RCOA; RCEM; RCS — BCSH Guidelines
- Anaemia Investigation · BSH / NICE
- Splenomegaly Workup · BSH; BMJ Best Practice
- Deep Vein Thrombosis Diagnosis and Treatment · NICE CG144 / NICE NG158
- Sickle Cell Crisis · BSH 2021 / BCSH
- Neutropenic Sepsis · NICE CG151 2012 / ESMO
Decision support only. Always apply local guidelines and clinical judgement.