UK Medical Cannabis Safety: Experts Advise Caution

Liz Filmer
10 Oct 2026

There has been a significant increase in the prescribing of unlicensed medical cannabis in England. Recent statistics reveal that nearly two million unlicensed cannabis products were prescribed privately over the last year, raising serious concerns about patient safety. This surge has prompted experts, including England's Patient Safety Commissioner Professor Henrietta Hughes, to call for stronger regulations on prescribing medicinal cannabis.


Why Are Experts Calling for 'Oliver's Law'?

Following the tragic death of 34-year-old Oliver Robinson, there are intensified calls to implement "Oliver's Law," aimed at tightening regulations surrounding the prescription of medical cannabis. Robinson, who struggled with depression, had developed a psychological dependence on cannabis obtained through both illegal means and prescriptions from a private clinic. A coroner's report indicated that inadequate communication between healthcare providers contributed to a lack of appropriate care for Robinson.

What Do the Statistics Reveal About Cannabis Prescriptions?

According to the NHS Business Services Authority, a staggering 1,967,268 unlicensed cannabis items were prescribed privately in England between June 2025 and May 2026. This figure marks a dramatic increase from previous years, showcasing the growing reliance on medical cannabis. For instance, just 659,293 items were dispensed in 2024, compared to 282,920 the year before. The data highlights an urgent need for increased oversight and clinical safeguards.

What Does the Law Say About Medical Cannabis Prescriptions?

In 2018, the UK government legalized the prescription of cannabis-based products for medicinal use. These products are intended to address a variety of health conditions, including anxiety, chronic pain, migraines, ADHD, and Crohn's disease. However, most medical cannabis products available in the UK are unlicensed and prescribed by private clinics, with only a small percentage dispensed by the NHS.

Only qualified doctors on the General Medical Council’s specialist register can prescribe these drugs. Professor Hughes emphasizes that while medicinal cannabis should be accessible to patients who can benefit from it, the existing safeguards surrounding prescriptions need to be strengthened to minimize risks.

What Actions Are Being Proposed to Enhance Patient Safety?

Professor Hughes advocates for an urgent examination of current prescribing practices and better coordination among healthcare providers. She notes that the current fragmented health system fails to monitor patient safety effectively, allowing information gaps that can lead to missed warning signs.

Key proposals include:

- Strengthening communication between healthcare providers to improve patient care.
- Ensuring that remote prescribing adheres to the same standards as in-person clinical consultations.
- Developing a more integrated system that can identify risks early and monitor prescribing patterns.

How Can We Prevent Future Tragedies?

The call for "Oliver’s Law" highlights the need for regulatory changes to protect vulnerable patients, especially those with mental health issues. As advocates for change urge the government to take action, the primary focus remains on improving safeguards to prevent future tragedies similar to that of Oliver Robinson.

As the prescription of medical cannabis continues to rise, prioritizing patient safety is paramount. By addressing the regulatory gaps and enhancing communication within the healthcare system, we can help ensure that patients receive the care and protection they need while exploring new treatment options.

What is the Good Practice Guide for Medical Cannabis?

Professor Mike Barnes, chairman of the Medical Cannabis Clinicians Society, has introduced a comprehensive good practice guide aimed at establishing a clear framework for safe and responsible prescribing of medical cannabis. This guide emphasizes essential elements such as thorough patient assessments, peer reviews, careful documentation, appropriate follow-ups, and clinician training. These principles are in line with the standards set by the Care Quality Commission, ensuring that patient care meets high-quality benchmarks.

How Does the Guide Promote Patient Safety?

The primary goal of the good practice guide is to enhance patient safety in the ever-evolving field of medical cannabis. By providing a structured approach to prescribing, clinics can ensure that they consistently apply these standards across their services. This initiative not only promotes responsible prescribing practices but also fosters a culture of accountability within the medical cannabis sector.

Why is Consistent Implementation of Standards Important?

As the medical cannabis sector continues to expand, the need for robust governance and patient safety measures becomes increasingly vital. The Medical Cannabis Clinicians Society encourages clinics to demonstrate their commitment to these good practice standards consistently. This focus on governance is crucial for ensuring that medical cannabis is treated with the same level of care and professionalism as any other area of medicine.

How Can Clinics Participate in the Good Practice Initiative?

Clinics are invited to join the "Clinic Commitment to Good Practice" initiative, which aims to implement and uphold the standards outlined in the good practice guide. By participating, clinics can show their dedication to providing safe, effective, and high-quality care for patients seeking medical cannabis treatment.

By adopting these guidelines, the medical cannabis sector can mature and evolve, ensuring that it meets the expectations of both healthcare professionals and patients alike.

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Liz Filmer