High THC Medicinal Cannabis: No Clinical Need, Doctors Warn 2026

Alicia Foster
High THC Medicinal Cannabis: No Clinical Need, Doctors Warn
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The president of the Royal Australian College of General Practitioners, Dr Michael Wright, has stated there is no clinical need for high-dose medicinal cannabis containing up to 98% THC. This warning comes as new data shows a rise in hospital presentations for psychosis linked to these potent products.

Why High-THC Cannabis Products Are Under Fire

Medicinal cannabis with THC concentrations as high as 98% is being prescribed in Australia, despite clinical trials using much lower doses. Dr Wright emphasised that outside palliative care, such high doses are rarely warranted. The psychoactive compound delta-9-tetrahydrocannabinol (THC) can trigger anxiety, dependency, and psychosis.


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THC Level Clinical Evidence Risk Profile
Up to 98% No trials support safety or efficacy High psychosis, addiction
10-20% (typical clinical trial) Modest evidence for pain and anxiety Lower side effects

The Role of Online Cannabis Clinics

Online providers are driving poor prescribing practices, according to Dr Wright. Vertically integrated telehealth models create conflicts of interest and fragment patient care. Patients often self-assess their eligibility for a predetermined treatment, bypassing proper medical oversight.

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What the Data Says About Medicinal Cannabis

According to TGA data, chronic pain and anxiety account for the majority of prescriptions. However, a 2018 review found low-quality evidence that cannabis may only provide small reductions in pain. Another review concluded medicinal cannabis is no more effective than placebo for reducing anxiety symptoms.

Key Takeaways for Patients and Prescribers

  • High-THC products (up to 98%) have no proven clinical benefit outside palliative care.
  • Risks include anxiety, dependency, and psychosis, with rising hospital admissions.
  • Online cannabis clinics often prioritise profit over patient safety.
  • Patients should seek in-person GP consultations before starting medicinal cannabis.
  • Stronger regulation of THC concentration limits is urgently needed.

FAQ

What are the dangers of high-THC medicinal cannabis?

High-THC cannabis can cause heightened anxiety, dependency, and serious psychosis. Hospital presentations for psychosis have increased, particularly among young users.

Is medicinal cannabis effective for chronic pain?

A 2018 review found low-quality evidence that cannabis may provide only small reductions in chronic pain. Many studies show it is no better than placebo.

Why are online cannabis clinics a concern?

Online clinics often operate under a vertical integration model where they prescribe their own products, creating conflicts of interest. Patients may not receive comprehensive care or proper monitoring.

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As the debate continues, medical bodies urge Australians to rely on evidence-based treatments. If you or someone you know is using medicinal cannabis, consult a qualified GP for a personalised risk assessment.

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Alicia Foster

Author

Alicia Foster

Alicia is a trailblazer in luxury travel and all-inclusive resorts. Armed with a master's degree in Tourism Management, she has not only explored the hidden gems of the Caribbean, but has also collaborated with renowned hospitality brands. Her words are a gold mine for choosing the perfect accommodation.


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