Compiled with the advice of clinical experts, the British National Formulary (BNF) provides up-to-date guidance on prescribing, dispensing and administering medicines.The BNF details medicines prescribed in the UK, with special reference to their uses, cautions, contra-indications, side-effects, dosage and relative costs.Updated every six months, the BNF reflects current best practice as well as legal and professional guidelines relating to the use of medicines. It is intended for use by prescribers, pharmacists and other healthcare professionals.* Designed for rapid reference* Authoritative, impartial and, where available, evidence-based advice on prescribing, dispensing and administering medicines* Updated twice a year to reflect promptly changes in product availability as well as emerging safety concerns and shifts in clinical practice