Looking for a prescription?
Find a Doctor
Find a UK-based prescribing clinician for medical cannabis.
The Dual Nature
- Cannabis can have both beneficial and harmful effects on mental health
- High-THC products in psychologically vulnerable individuals can trigger anxiety or psychosis
- CBD has demonstrated anxiolytic and antipsychotic properties in clinical studies
- Careful patient selection and monitoring is essential for mental health prescribing
Mental health is the area where the risks and benefits of medical cannabis are most finely balanced — making specialist assessment essential.
Evidence-Supported Benefits and Contraindications
- Anxiety disorders: CBD has RCT evidence for social anxiety and PTSD-related anxiety
- PTSD: THC reduces nightmare severity; CBD modulates fear extinction
- Who should NOT receive high-THC cannabis: personal/family history of schizophrenia or psychosis, under-25s, current severe anxiety without prior THC experience
- Start CBD-dominant in any patient with mental health history — slow titration, regular monitoring
UK cannabis clinics screen carefully for mental health contraindications. This is genuine clinical risk management, not bureaucracy.