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What are the penalties for unauthorised cannabis use in treating AS? 

Posted
Updated
ByMy Patient Advice
Author: Dr. Stefan Petrov, MBBS

Despite growing interest in medical cannabis for ankylosing spondylitis, using it without a prescription remains illegal in the UK. Understanding cannabis law is essential for anyone exploring treatment options. Even if intended for medical relief, unauthorised use can result in fines or legal action. 

Under current UK laws, cannabis is classified as a Class B drug. Possession without a valid prescription from approved UK clinics can lead to warnings, penalties, or prosecution. The legal risks increase significantly if you’re found supplying or transporting cannabis, regardless of your medical intent. 

What can I treat with Medical Cannabis?

What to Know About Penalties 

Possession 

Can result in a warning, fine, or up to five years in prison if not medically approved. 

Supply or intent to supply 

Considered a more serious offence, with penalties up to 14 years in prison. 

Travel-related offences 

Importing or carrying cannabis across borders without declaration or approval carries severe consequences. 

NHS vs private clinics 

Only a handful of NHS providers offer prescriptions, while most patients use private UK clinics to access treatment legally. 

Visit providers like LeafEase for guidance on how to legally obtain medical cannabis in line with cannabis law, avoiding unnecessary legal risks. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Ankylosing Spondylitis and medical cannabis.

Dr. Stefan Petrov, MBBS
Author

Dr. Stefan Petrov is a UK-trained physician with an MBBS and postgraduate certifications including Basic Life Support (BLS), Advanced Cardiac Life Support (ACLS), and the UK Medical Licensing Assessment (PLAB 1 & 2). He has hands-on experience in general medicine, surgery, anaesthesia, ophthalmology, and emergency care. Dr. Petrov has worked in both hospital wards and intensive care units, performing diagnostic and therapeutic procedures, and has contributed to medical education by creating patient-focused health content and teaching clinical skills to junior doctors.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

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