Can I drive when taking my prescription medications?

During your consultation, your Polln doctor will discuss your prescribed medication in detail, including any driving considerations that may apply. Medications containing THC can impair driving ability. Your doctor will advise you not to drive or operate machinery while taking any medication that contains THC.

Across most of Australia, it is a criminal offence to drive with any detectable THC in your system, even if you have a valid prescription. THC can remain detectable in saliva for a period of time after use.

Driving laws vary between states and territories:

• Victoria (VIC) — Victoria continues to operate under zero-tolerance laws. It remains an offence to drive with any detectable THC. From 1 March 2025, magistrates have discretion around whether to cancel the licence of a driver who tests positive for THC while legally prescribed medical cannabis. This does not make it legal to drive with THC present — it only affects potential penalties.
• Tasmania (TAS) — Tasmania’s laws focus on impairment, rather than THC detection alone. A valid prescription may be a defence if you are not impaired, however police can still charge drivers who appear impaired.
• All other Australian states and territories — All maintain zero-tolerance laws, making it an offence to drive with any detectable THC in your system, regardless of prescription. If you need personalised advice about driving and your prescribed medication, please speak with your Polln doctor or clinical nursing team.