Glossary term

Oral fluid test: An oral fluid test is a roadside saliva-based screening method used to test for certain drugs, including cannabis.

UsefulLegal / testingSource quality: HighLast updated: 29 June 2026

Why this term matters

Important in UK driving discussions.

UK medical cannabis context

Department for Transport guidance describes roadside oral-fluid screening in the new offence framework.

What not to assume

A positive roadside screen can be followed by evidential blood testing.

Careful wording: Avoid teaching people how to evade testing.

Related glossary terms

Related MCPH pages

Sources and review notes

This entry is educational vocabulary, not medical advice. Suitability, prescribing, product choice and monitoring belong with a qualified clinician or pharmacist.