How to Get a Medical Cannabis Prescription

Medically reviewed: May 2026 | Sources: NHS, MHRA, GOV.UK

For a complete overview of medical cannabis in the UK, read our medical cannabis UK guide.

Since November 2018, medical cannabis has been legally available on prescription in the United Kingdom. Yet for many patients, the pathway from initial enquiry to receiving a first prescription remains unclear. This step-by-step guide explains exactly how to access a medical cannabis prescription in 2026, what documentation you will need, and what to expect at each stage of the process.

The Current Legal Framework

Medical cannabis sits within a specific legal framework in the UK. Following the 2018 amendment to the Misuse of Drugs Regulations 2001, cannabis-based products for medicinal use in humans (CBPMs) were moved to Schedule 2, meaning they can be legally prescribed by GMC-registered specialist consultants.

Key points patients should understand:

• Only specialist consultants (not GPs) can prescribe medical cannabis
• NHS prescriptions are extremely rare and limited to specific paediatric epilepsy conditions
• For most conditions, the prescription route is private
• Prescriptions are dispensed by specialist pharmacies, not standard high-street chemists
• The MHRA oversees the regulatory framework for cannabis-based medicines in the UK

Step 1: Documenting Your Condition

Before approaching any specialist clinic, it is essential to ensure that your medical history is properly documented. This is often the step that patients underestimate, but it is critical to a successful eligibility check.

You will need to demonstrate:

• A formal diagnosis of the qualifying condition (e.g. chronic pain, anxiety disorder, PTSD, MS)
• Evidence that at least two conventional treatments have been tried and have not provided satisfactory therapeutic benefit
• A record of any prior specialist referrals or investigations related to your condition
• Current medication list and any adverse effects experienced with previous treatments

Action: Book an appointment with your GP and request a summary of your medical records, including all diagnoses and prescribed treatments for your condition. Ask your GP to document that you have tried conventional treatments without adequate relief. You do not need your GP’s permission to self-refer to a private clinic, but having comprehensive records will significantly strengthen your case and reduce the time to prescription.

Step 2: Choosing Between NHS and Private

For the overwhelming majority of UK patients, private prescription is the only realistic route in 2026. NHS prescriptions for medical cannabis are reserved almost exclusively for:

• Children with treatment-resistant epilepsy (Dravet syndrome, Lennox-Gastaut syndrome) where NHS-commissioned treatments such as Epidyolex may be available
• Adults with MS spasticity who have failed other approved treatments, where nabiximols (Sativex) may be considered — though even this is inconsistently commissioned

If you believe you may qualify for NHS funding (typically only for the conditions above), speak to your NHS neurologist. For all other conditions — including chronic pain, anxiety, and insomnia — private prescription is the effective route.

When choosing a private clinic, consider:

• Whether the clinic employs GMC-registered specialist consultants in the relevant specialty
• Initial consultation costs (typically £100–£250)
• Ongoing follow-up and monitoring arrangements
• Which specialist pharmacies the clinic works with
• Patient reviews and clinic accreditations

Step 3: Your Specialist Consultation

The initial specialist consultation is the clinical assessment that determines whether you are eligible for a medical cannabis prescription. Most private clinics in the UK now offer this via video call, making access easier for patients across England, Scotland, Wales, and Northern Ireland.

During the consultation, the specialist consultant will:

• Review your medical history and supporting documents
• Assess the severity and impact of your condition on daily functioning
• Evaluate whether conventional treatments have been adequately trialled
• Discuss the potential therapeutic benefit and risks of cannabis-based treatment
• Confirm your eligibility and explain the proposed treatment plan

If the consultant determines that a cannabis-based medicine is clinically appropriate for your condition, they will proceed to issue a prescription. If they do not, they should explain their reasoning and suggest alternative approaches.

What to bring to your consultation:

• GP summary records (or specialist letters)
• A list of all medications tried previously and outcomes
• A brief written summary of how your condition affects your daily life
• Any relevant test results (e.g. MRI reports for MS, pain assessment scores)

Step 4: Receiving Your Prescription

Following a successful consultation, the specialist consultant will issue a prescription for a cannabis-based medicine. This is a legal, written prescription on headed paper, specifying:

• Patient details and prescribing consultant’s GMC number
• Product name, strain, and formulation (flower, oil, capsule)
• Prescribed dose and method of administration (e.g. vaporisation, oral)
• Quantity and duration

In most cases, private clinics issue prescriptions electronically and coordinate directly with an approved specialist pharmacy on the patient’s behalf. Some clinics issue paper prescriptions that patients present to the pharmacy directly.

Dosing guidance: Cannabis-based medicines are typically started at the lowest effective dose and titrated upward gradually. Your prescribing consultant will provide a titration schedule and arrange a follow-up consultation to review patient outcomes after the initial trial period — commonly 4–8 weeks.

Step 5: Finding a Dispensing Pharmacy

Not all pharmacies in the UK are authorised to dispense cannabis-based medicines. Standard high-street chemists — including major chains — are generally not equipped to dispense CBPMs. Prescriptions must be fulfilled by specialist pharmacies that hold the required Home Office licence and MHRA authorisation.

Specialist pharmacies authorised to dispense medical cannabis in the UK include Pharmarama, CannaPharma, and a growing number of others registered with the appropriate regulatory bodies. Most offer home delivery, typically within 1–3 working days of the prescription being processed.

To find a dispensing pharmacy: UK Dispensing Pharmacy Finder.

Costs and What to Expect

Understanding costs upfront helps patients plan their treatment pathway realistically:

• Initial consultation: £100–£250 (one-off, per clinic)
• Follow-up consultations: £50–£150 every 1–3 months
• Monthly prescription cost: £150–£400 depending on product, dose, and quantity

Most clinics require patients to attend follow-up consultations regularly to continue receiving prescriptions. This monitoring is a clinical and regulatory requirement — it ensures that the prescribed treatment continues to provide therapeutic benefit and that any side effects are managed appropriately.

FAQ: Is medical cannabis on the NHS? For most conditions, no. NHS prescriptions are limited to specific paediatric epilepsy conditions. Almost all other patients access medical cannabis privately.

FAQ: Can I self-refer to a cannabis clinic? Yes. Most private cannabis clinics in the UK accept self-referrals, without requiring a GP referral letter. However, you will need access to your medical records, which your GP surgery must provide on request.

FAQ: How long does a medical cannabis prescription last? Prescription duration varies by clinic and product. Most consultants issue prescriptions for 28 days at a time, reviewed at each follow-up appointment. Some clinics offer 60- or 90-day prescriptions for stable patients.

Ready to Begin Your Eligibility Check?

If you have a qualifying condition and have tried conventional treatments without adequate results, the next step is a specialist consultation. Use our Find a Doctor tool to locate a GMC-registered specialist consultant near you, or book an online consultation with a specialist clinic.