Repeat prescriptions and pharmacy delays are part of the practical reality of prescribed medical cannabis. The safest patient response is to know the clinic process, keep dated records, contact the right team when something changes, and avoid substituting or rationing medicines without prescriber advice.
This guide is for already-prescribed UK patients dealing with repeat requests, stock messages and delivery delays. It is not medical advice, it does not recommend a clinic, pharmacy, product, dose or route, and it does not tell you how to manage supply by changing prescribed use. For the wider pathway, see the MCPH patient guide and how the UK medical cannabis prescription process works.
The short answer
Keep a simple record of:
- when you requested a repeat prescription;
- when the clinic confirmed it;
- when the prescription was sent to the pharmacy;
- when the pharmacy requested payment, dispensed or dispatched;
- the product name and label details as prescribed;
- any stock-change, delay, substitution or delivery message;
- who you contacted, when, and what they said.
If the pharmacy cannot supply what is written on the prescription, contact the clinic or prescriber. Do not treat a different product, old supply or another patient’s medicine as a substitute.
Why repeat admin can be different
Medical cannabis products are often prescribed as cannabis-based medicinal products and may be supplied as unlicensed medicines. That does not mean care is informal. It means the clinic, prescriber and pharmacy need proper records and a clear prescription trail.
For patients, the admin can feel more active than a familiar NHS repeat prescription. There may be clinic portals, review dates, payment links, pharmacy messages, delivery tracking and stock updates. The process can vary by provider.
Your job is not to run the supply chain yourself. Your job is to follow the clinic process, keep evidence of what happened, and ask for clinical or pharmacy clarification before acting on uncertain information.
What to ask your clinic about repeats
Ask the clinic for its own process in writing where possible. Useful questions include:
- How far before the next prescription should I request a repeat?
- Is a review appointment needed before the next prescription?
- Which portal, email address or phone line should I use?
- Who tells me if the prescription has been sent to the pharmacy?
- What happens if the product is unavailable?
- Who handles label or instruction queries?
- What should I do if payment, dispensing or delivery is delayed?
- Who should I contact for side effects or safety concerns while a repeat is pending?
These are admin questions. They do not ask the clinic to recommend a product or bypass clinical review.
If the pharmacy says stock has changed
Stock-change messages can be confusing. The pharmacy may say a product is unavailable, delayed, replaced, back ordered, or needs clinic confirmation. Keep the wording of the message if you can.
Do not assume the pharmacy can simply provide a different medical cannabis product. With unlicensed medicines and controlled-drug prescribing, the exact prescription and prescriber instruction matter.
Practical steps:
- save the pharmacy message;
- ask whether the pharmacy has notified the clinic;
- contact the clinic with the pharmacy message and your prescription details;
- ask the clinic what the prescriber wants you to do;
- keep the reply with your prescription records.
If the clinic or prescriber issues a new instruction or prescription, ask for it clearly in writing. Do not rely on memory from a phone call if the message affects what is supplied or how the medicine is used.
If dispensing or delivery is delayed
Separate the admin problem from the medical question. A delayed parcel, missing payment link or slow pharmacy response is an admin issue. Running low or being without medicine may become a clinical issue, depending on your condition and treatment plan.
Record:
- prescription date;
- pharmacy received date, if known;
- payment date;
- dispatch and tracking details;
- delivery issue details;
- any missed treatment because of the delay;
- any symptoms, side effects or safety concerns while waiting.
Contact the pharmacy about dispensing, payment and delivery. Contact the clinic about prescribing decisions, treatment concerns, side effects, stock substitutions, or what to do if delay affects your care. If symptoms become urgent or unsafe, use NHS urgent routes.
What not to do
Do not use another patient’s medicine. Do not use old products unless your prescriber has told you they are part of the current plan. Do not swap to a different product because it is available. Do not alter prescribed use to stretch a supply because of a delay. Do not take extra earlier in the month to create a private reserve.
Those choices can create safety, legal, record-keeping and review problems. They can also make it harder for the prescriber to understand whether the treatment plan is suitable.
If the delay is affecting your health or daily safety, tell the clinic directly and ask for clinical advice.
Records to keep
For each repeat cycle, keep:
- clinic request confirmation;
- prescription issue date;
- pharmacy name and contact route;
- product label and dispensing details;
- batch number and expiry date where shown;
- payment and dispatch messages;
- delivery tracking;
- stock-change messages;
- clinic replies;
- side effects or symptoms linked to a delay or change.
For broader record-keeping, see what to keep in your medical cannabis records once that article is published.
Driving, work and travel notes
If a stock issue leads to a new prescription, your records should match what you are actually carrying or using as prescribed. NHS guidance says patients may need proof of prescription and the medicine’s packaging when carrying prescribed medical cannabis. GOV.UK driving law still centres on prescription, directions and impairment; an article cannot give driving clearance.
For travel, controlled-drug and destination-country rules can matter. Check official guidance before carrying medicine across borders rather than relying on clinic or forum assumptions.
Questions to ask before the next repeat
- What is the normal repeat request deadline for this clinic?
- How will I know the prescription has reached the pharmacy?
- If the product is unavailable, who contacts whom?
- What written record will I receive if a prescription is changed?
- Who handles dispensing and delivery problems?
- What side effects or safety problems should bypass normal repeat admin?
- What records should I bring to my next review?
The goal is not perfect admin. It is a clear trail that lets the clinic, pharmacy and prescriber understand what happened.
Sources
- NHS: Medical cannabis
- NICE: Cannabis-based medicinal products, NG144
- NHS England: Cannabis-based products for medicinal use
- GMC: Information for doctors on cannabis-based products for medicinal use
- CQC: Controlled drugs annual update 2024: issues
- CQC: Cannabis-based medicinal products: what we look at when we register
- MHRA: Supply unlicensed medicinal products, specials
- GPhC: Themed review of pharmacies providing cannabis-based products for medicinal use
- GOV.UK: Drug driving law
- GOV.UK: Take medicine in or out of the UK
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