This flowchart should be used in conjunction with current UK guidance, which it does not replace (see references). Consult other guidance in the case of immunosuppression or chronic diarrhoea (> 4 weeks).
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Clinical Resources Categories
Liver
Venesection treatment in haemochromatosis – current best practice from the BSG/BASL Special Interest Group
clinical-resource/Venesection-treatment-in-haemochromatosis

Guidelines
Inflammatory Bowel Disease
British Society of Gastroenterology guidelines on inflammatory bowel disease in adults: 2025
clinical-resource/BSG-guidelines-on-IBD-in-adults-2025
Published June 2025