Sadly it's easily possible to get into situations where the hospitals and society are "functioning", but civil society has decided not to give you any medicine. It seems to be an occasional problem in the US, but also happened during e.g. the Greek financial crisis.

Antibiotics are one thing, but I know several people who are dependent on insulin, and more who are dependent on more complex cutting-edge medication. This is why we need to keep the supply lines open, civil society civil, and international trade operating.

The fact that the UK is now seemingly going into "state prepper" mode for an avoidable self-inflicted disaster is starting to frighten me. https://www.independent.co.uk/news/health/brexit-no-deal-ins...