British National Formulary (BNF 91) March 2026

British National Formulary (BNF) is the first choice for concise medicines information. Practical and evidence based, BNF is the only drug formulary in the world that is both independent, and has rigorous, accredited content creation processes. An integral part of the UK’s healthcare infrastructure and relied on by health professionals who prescribe, dispense, and administer medicines globally. Containing guidance on best practice in prescribing, as well as legal and ethical considerations, BNF supports safe and effective decision-making at the point of care. BNF is published jointly by BMJ Group and Pharmaceutical Press.