British National Formulary (BNF)
Free registration for online access in the UK at http://www.bnf.org. Or ask for an old one from your GP, or find the most recent in hospital libraries. Good for information about individual drugs; prescribing guidelines.
Good for a bit more detail about side-effects and the interactions are on the same page, making it a bit easier to find them. It also has photos of the medicines.
NICE medicines information
Lots of information here, but it is not always simple to use. Searching by the full drug name gives the best results, bringing you to a page where you can access the BNF entry online, NICE (and other) guidance and sometimes a section called ‘Current Awareness’ which gives links to articles on prescribing issues related to that drug.
MHRA Education modules
Free online modules about the use and risks of selected drugs and devices
The Cochrane Library
Produce evidence reviews from medical research for clinicians and NICE.
General tips on presentations
Here is a short pdf file about giving a presentation:
And an interesting TED Talk that might help you with your delivery: