On 3 July 2014 the Government issued new guidance to healthcare professionals in a bid to crack down on the menace of drug driving.

So why has the Government taken this step?

The new offence of driving with certain controlled drugs, including some prescription drugs, above  specified limits is due to come into force on 2 March 2015.

If a driver tests positive they will be taken to a Police Station where a further evidential test  will be taken. If this is positive it will allow Police to arrest and charge a driver for being  over the limit.

Isn’t it already an offence to drive whilst intoxicated through drugs?

Yes, although the new rules will mean it will be an offence to be over the specified limits for  each drug whilst driving. The limits for the vast majority of medicinal drugs are above the normal  doses. Unlike the existing ‘impairment’ offence, the new law will provide a medical defence for  patients who are taking their medicine in accordance  with instructions, either from a healthcare  professional or printed in the accompanying leaflet, provided they are not impaired.

So what is the purpose of the guidance?

The guidance helps doctors and nurses start explaining the new rules in advance of the new offence  coming in  to reassure those patients who take prescription drugs that they will be able to drive  safely without fear of being prosecuted.

So what does the guidance say?

The guidance advises healthcare professionals on changes to the drug driving offence and what it  means for patients.

The guidance also advises patients who take legitimately supplied medicines to keep evidence with  them in case they are stopped by the Police. This will help speed up any investigation into the  medical defence and reduce the inconvenience to the patient.

So what are the benefits to this change?

The changes will remove the right for drivers who fail a roadside breath test to demand a blood or  urine sample at the Police Station. This test can take place several hours later, which means some  drivers who were over the limit when tested at the roadside could have time to sober up. Removing  the option for this test will save Police Forces an estimated GBP 13 million over 10 years and  allow breath tests to be used as evidence.

Roads Minister Robert Goodwill said: “The new drug driving law will make it easier for the Police  to tackle those who drive after taking illegal drugs or abuse medicinal drugs whether   they are on  prescription or available over the counter. This new offence will be introduced alongside major changes to drink-drive laws. Taken together, these will  give Police the tools they need to prosecute those who risk the lives of others through dangerous  behaviour and make our roads safer.”


Patients taking prescription drugs should follow the guidance issued from both their doctor and the  drug manufacturers to ensure that they don’t fall foul of the new law.