Since 1949 the British National Formulary (BNF) has been available to help ensure safe and effective use of medicines at the point of care. For more information see;

Celebrating 70 Years of the BNF

It still available as a print edition, but it can also be found on-line and as a mobile ‘app’.

The on-line BNF can be found at https://bnf.nice.org.uk/. The ‘app’ can be downloaded from the Apple App Store or Google Play.