A private medical cannabis prescription is not a route around UK drug law. It is a regulated clinical arrangement in which a specialist prescriber decides whether a cannabis-based medicine may be appropriate for a particular patient. Understanding how private cannabis clinics work starts with that distinction: these services assess medical need, issue private prescriptions where justified, and arrange supply through licensed pharmacies.
For many people, the process feels unfamiliar because it sits outside the usual NHS pathway and involves products, costs and follow-up requirements that differ from conventional prescriptions. It can also be difficult to separate credible clinical information from marketing claims. Here is what prospective patients should expect.
How private cannabis clinics work in the UK
Cannabis-based products for medicinal use were moved to Schedule 2 in November 2018, allowing specialist doctors to prescribe them where clinically appropriate. In practice, most UK prescriptions are issued through private clinics. NHS prescribing remains very limited and is generally confined to a small number of licensed cannabis medicines for specific conditions.
A private clinic normally begins with an eligibility screening. This may be completed online, by telephone or through a secure patient portal. The clinic will ask about the condition being treated, previous and current medicines, relevant diagnoses, mental health history, substance use, allergies and any pregnancy or breastfeeding considerations.
Patients are usually asked to provide a summary of their GP medical record. This helps the clinician verify the diagnosis, see what treatments have already been tried and identify possible safety concerns. A clinic should not present medical cannabis as a first-line or guaranteed option. In many cases, prescribers want evidence that standard treatments have been tried without adequate benefit or have caused unacceptable side effects.
The initial consultation is usually held remotely, although some services offer face-to-face appointments. A doctor, and in some cases another appropriately qualified prescriber working within the clinic’s governance arrangements, discusses symptoms, treatment history, treatment goals and risks. The consultation should be a clinical conversation, not a product sales call.
What a prescriber considers
There is no single diagnosis that automatically qualifies someone for a prescription. Private clinics may assess patients with chronic pain, neurological conditions, psychiatric conditions, sleep problems, gastrointestinal disorders and other long-term illnesses. Whether a prescription is made depends on the individual case, the evidence available, and the clinician’s professional judgement.
Particular caution may be appropriate where a patient has a personal or family history of psychosis, significant cardiovascular disease, unstable mental health, problematic substance use or a history of adverse reactions to cannabis. Interactions with other medicines also matter. Cannabinoids can affect alertness and may alter how some prescribed drugs are processed.
A responsible clinician should explain what is known, what remains uncertain and what outcomes would justify continuing treatment. Medical cannabis can help some patients, but it is not risk-free and clinical evidence varies substantially between conditions and products.
From prescription to pharmacy supply
If the prescriber considers treatment appropriate, they issue a private prescription for a specific cannabis-based product. This may contain THC, CBD or a combination of cannabinoids. The product format can include oil, capsules, lozenges or dried cannabis flower intended for use in a medically approved vaporiser. It is not lawful to smoke prescribed cannabis.
The prescription is sent to a pharmacy licensed to dispense controlled drugs. The pharmacy checks the prescription, processes payment and arranges delivery or collection, subject to its procedures. Patients should receive the medicine in its original labelled packaging and keep that packaging, particularly when travelling within the UK or if they need to explain their lawful possession.
Products are selected according to clinical aims and tolerability, not simply THC strength. An oil may offer more consistent dosing for some patients, while inhaled products have a faster onset and may be used differently. Higher THC is not automatically better, and it may increase the likelihood of unwanted effects such as anxiety, dizziness, impaired concentration or sedation.
Because these are private prescriptions, the patient pays for both clinical care and the medicine. Charges vary between clinics, clinicians, pharmacies and products. Costs may include an initial consultation, follow-up appointments, repeat-prescription fees, pharmacy dispensing and the medicine itself. Before enrolling, patients should ask for a clear breakdown of likely ongoing costs rather than relying on a headline consultation price.
Follow-ups are part of the treatment, not an optional extra
Private cannabis prescribing requires continuing oversight. Clinics commonly schedule a follow-up after the first prescription and then at regular intervals. The prescriber reviews whether symptoms have changed, whether side effects have occurred, how the patient is using the product and whether the dose or formulation needs adjustment.
That monitoring is one reason a legitimate prescription cannot simply be treated as a permanent permission slip. Controlled-drug prescribing carries professional and legal responsibilities, and a clinician may decide not to continue treatment if it is ineffective, unsafe or no longer clinically justified.
Some clinics use shared-care arrangements with a patient’s GP, but this is not guaranteed. GPs are not obliged to take on prescribing or monitoring responsibilities for a private cannabis prescription. Patients should tell their GP about privately prescribed medicines so their wider medical record is as complete as possible, especially if other drugs are being prescribed.
Legal status: possession is lawful, but limits still apply
A valid private prescription can make possession of the prescribed medicine lawful for the named patient. It does not make recreational cannabis lawful, permit sharing with someone else, or allow a patient to carry an unlabelled product without difficulty. The prescription must be for the patient, and the product should be used as directed.
Travelling abroad with prescribed cannabis needs separate caution. A UK prescription does not override another country’s laws, and some destinations prohibit cannabis medicines altogether. Patients should seek written confirmation from the relevant embassy or consulate before travelling and check airline rules. Border authorities may require original packaging and supporting documentation, but those documents are not a guarantee of entry.
Driving is the area that causes the most confusion
A prescription does not create a blanket exemption from drug-driving law. In England, Wales and Scotland, it is an offence to drive with certain controlled drugs above specified limits in blood, including THC. There is a statutory medical defence where a medicine has been prescribed or supplied for medical or dental purposes and taken in accordance with instructions, but that defence does not apply if the person’s driving was impaired.
In practical terms, patients should follow prescriber and product advice, avoid driving if they feel impaired, and be especially cautious when starting treatment or changing a dose. Police can still stop a driver, conduct roadside procedures and investigate suspected impairment. Keeping prescription documentation available may assist, but it does not prevent an officer from taking action where impairment is suspected.
Questions worth asking before choosing a clinic
The private prescription market has grown quickly, so patients should look beyond social-media testimonials and low introductory prices. Ask who will conduct the consultation, whether the clinic has clear governance and complaints procedures, how it handles medical records, what the expected follow-up schedule is, and which fees apply after the first appointment.
It is also reasonable to ask what happens if treatment does not suit you. A clinic should be able to explain dose adjustments, adverse-effect reporting, cancellation terms and how repeat prescriptions are authorised. Be wary of any provider that promises eligibility before reviewing records, guarantees a particular product, or downplays the risks of THC.
For the right patient, a private cannabis clinic can provide access to a tightly regulated treatment pathway that is otherwise difficult to obtain. The useful starting point is not whether cannabis is fashionable or controversial, but whether the clinic can show that its prescribing decisions are careful, evidence-aware and centred on the patient’s safety.
