Medical Education
How to talk to a clinician about medical cannabis
If you are thinking about medical cannabis, the most useful conversation is usually a plain one: what symptom are you trying to improve, what have you already tried, and what risks matter most in your life?
If you are thinking about medical cannabis, the most useful conversation is usually a plain one: what symptom are you trying to improve, what have you already tried, and what risks matter most in your life?
That conversation works better when it is specific. A clinician cannot help much with "I want to try cannabis" on its own, but they can help with pain, sleep, nausea, spasticity, anxiety about side effects, or whether a referral is realistic.
Key takeaways
- Be honest about all cannabis use, not just prescribed products.
- Bring a short list of symptoms, previous treatments, and current medicines.
- Ask what evidence exists for your condition, not just whether a product is available.
- Discuss driving, pregnancy, mental health, and other medicines before starting.
Evidence base
NHS guidance says cannabis-based medicine can only be prescribed on the NHS by a specialist hospital doctor, or under specialist supervision, and it is only likely to be prescribed for a small number of patients. NHS trust patient information also says patients should tell clinicians if they use cannabis because that affects the full clinical picture and the support they are offered.
The practical implication is simple. A clinician is more likely to help if they can see the full history: what the symptom is, what has already failed, what side effects have been a problem, and whether there are safety issues like driving or mental health risk.
What patients should know
Go in with a short, concrete summary:
- your main symptom and how long it has been going on
- what standard treatments you have tried
- what side effects or interactions worry you
- whether you drive, work safety-critical jobs, or care for children
- whether you are pregnant, trying to conceive, or breastfeeding
It also helps to ask direct questions:
- What is the actual target symptom?
- What would success look like?
- What are the main side effects or interaction concerns?
- If this is not suitable, what is the next best option?
The goal is not to force a prescription. It is to find out whether cannabis is a sensible option at all, and if not, what safer path exists.
When to speak to a clinician
- Your symptoms are affecting work, sleep, or daily life.
- You are considering a private clinic and want to check whether it is appropriate.
- You already use cannabis and want advice about risks or interactions.
- You have a history of psychosis, bipolar disorder, or severe anxiety.
- You are pregnant, breastfeeding, or driving regularly.