The BNF and BNF for children are available from https://bnf.nice.org.uk/. Use the search box at the top of the page to look for a drug name or interaction.
BNF is also available via App from your App store.
The information and resources you will find on NHS Scotland's national antimicrobial guidance templates provide examples that may be used by NHS Scotland health boards for local/health board specific guidance.
Available in website format and App called Antimicrobial Companion.
Have a look at this flyer for more info.