D V L A

A couple of links of the DVLA website which looks like its been updated recently.

http://www.dft.gov.uk/dvla/medical/aag/ ... eated.aspx

http://www.dft.gov.uk/dvla/medical/aag/ ... nides.aspx

Take a look at this link https://www.gov.uk/diabetes-driving

Basically you don't need to inform DVLA but read the information about "Diabetes treated by any other tablets or non-insulin injections
Car or motorcycle licence

You don’t need to tell DVLA. For further information read leaflet ‘INF188/2’. "

However, keep some glucos tablets or biscuits in the car in case of hypo.