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Can I Drive on Medical Cannabis?

The question of whether you can drive while using medical cannabis in Australia has become increasingly relevant. The laws are evolving, with recent bills and discussions indicating a potential shift in the legal landscape. Let's delve into the current regulations and the proposed changes.

Current Australian Laws

As of now, it's illegal to drive in Australia with any amount of THC (Tetrahydrocannabinol), the psychoactive component of cannabis, in your system. This holds true even if you're using THC as part of a prescribed medicinal cannabis product. The only exception is if your medicinal cannabis contains only CBD (Cannabidiol), in which case you can legally drive, provided you're not impaired​​​​​​.

This rule applies across all Australian states and territories, except Tasmania. There's no medical defense for using prescribed medicinal cannabis products containing THC while driving, even if you're not impaired​​.

Recent Bills and Proposed Changes

New South Wales

In New South Wales, the "Road Transport Amendment (Medicinal Cannabis) Bill 2023" aims to amend existing laws. This bill proposes that users of medicinal cannabis should not be subject to the offense of driving with detectable levels of certain drugs in their oral fluid, blood, or urine​​.


Similarly, in Victoria, the "Road Safety Amendment (Medicinal Cannabis) Bill 2023" is under consideration. This bill, which has already passed its first reading, is another step towards changing the current stringent approach towards drug driving laws in the context of medicinal cannabis​​​​.


In Queensland, a major review of the drug driving laws is underway, potentially leading to an exemption for medicinal cannabis users. The review comes in response to a significant increase in medical cannabis users being caught driving with the drug in their system. The complex issue here involves balancing road safety concerns with the needs of medicinal cannabis users. At present, THC's impairment potential is a key factor in maintaining the strict approach​​​​​​.

The Debate and Its Implications

The debate around this issue is multifaceted. On one hand, there's a need to accommodate the rights and needs of patients using medicinal cannabis as per their prescriptions. On the other hand, road safety concerns cannot be understated, especially considering THC's known effects on cognitive and motor functions.

The proposed bills and ongoing reviews in various Australian states reflect a growing recognition of these complexities. If passed, these changes could mark a significant shift in how medicinal cannabis users are treated under the law, particularly concerning their ability to drive.

While the current laws are clear on the illegality of driving with THC in your system, the landscape is changing. Medical cannabis users and those considering its use should stay informed about these legal developments to understand their rights and responsibilities on the road.

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