That will be why the doc tells you it's too expensive, because over the counter is cheap. It's not that they can't afford it, but in the UK there is a standard prescription price. It's under £10 per prescription for any drug that prescribed, but it's a flat fee. So if they prescribe something that costs less than the prescription charge it makes no sense for the patient.
American brands like Ford typically sold models that were both designed and manufactured in Europe such as the popular Ford Escort and Ford Transit. They are completely different to what is sold in the US.
Couchbase mobile has been doing this for over a decade and early versions of membase 15 years ago were using a sqlite backend as a noSQL JSON datastore