I wonder if the UK is a main supplier of any drugs to the EU?
I did a bit of research to answer my own question and I found this.....
The Government’s EU Exit Analysis Cross-Whitehall Briefing identifies pharmaceuticals as the sector for which UK/EU market access is the most important.
21 In 2016, the UK exported £24.9 billion of pharmaceutical products, of which £11.9 billion (48 per cent) went to the EU,
22 a market of more than 446 million potential patients and consumers.
23 At the same time, the UK imported £24.8 billion of pharmaceutical products, of which £18.2 billion (73 per cent) were from the EU, giving a trade deficit of £6.3 billion.
24 In oral evidence, the Association of the British Pharmaceutical Industry (ABPI) told us this reflects “45 million packs of medicines that leave the UK every month and go to Europe, and 37 million packs of medicines that leave the continent and come to the UK”.
It came from here....
https://publications.parliament.uk/pa/cm201719/cmselect/cmbeis/382/38205.htm