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A neuropathic-pain meta-analysis found this number needed to treat for at least 30% pain reduction with inhaled cannabis. The Journal of Pain
Evidence is strongest for short-term relief in selected neuropathic pain studies, which is relevant when sciatica has a nerve-pain component. The Journal of Pain
People with low back pain develop sciatica, where the nerve becomes irritated. Guy’s and St Thomas’ NHS Foundation Trust
Sciatica usually gets better in a few weeks to a few months, but can last longer. NHS
Could treatment be suitable?
A specialist may assess you if:
- You have a diagnosed condition or an established clinical history.
- Standard treatments have not helped enough or were unsuitable.
- You are 18 or over and live in the UK.
- Your records allow a doctor to review previous care and current medicines.
Understanding the condition
Nerve pain from the back to the leg
Sciatica is caused by irritation or compression of the sciatic nerve, which runs from the lower back, through the hips and buttocks, and down each leg. The nerve carries signals to and from the lower limbs, so problems with it can cause pain, tingling or numbness along its path.
Most cases settle within four to six weeks, but the discomfort can range from mild to severe, and for some people symptoms persist for much longer and become a chronic problem.
An accurate assessment helps identify the cause and the most suitable approach, whether that is short-term measures or longer-term pain management.
Recognising the impact
Common sciatica symptoms
Sciatica typically affects one side of the body, with symptoms that can include:
- Pain travelling from the lower back into the leg
- Tingling or “pins and needles”
- Numbness along the leg or foot
- Weakness in the affected leg or foot
- Pain that worsens when sitting or moving
- Disturbed sleep due to discomfort
Conventional treatments
Conventional treatment options
Sciatica is usually managed with self-care and movement. Recognised options include:
- Staying active and gentle exercise
- Physiotherapy and guided exercises
- Co-codamol, naproxen or diclofenac for pain
- Amitriptyline or gabapentin for nerve pain in some cases
- Spinal injections or surgery where clinically indicated
Although these options help many people, they are not enough for everyone. If sciatica symptoms still affect daily life, a specialist assessment can help you understand whether another route may be suitable.
Specialist-led care
Can medical cannabis help with persistent sciatica pain?
Medical cannabis does not fix the underlying nerve compression. Where sciatic nerve pain persists after standard care, a specialist may review whether it could help with the ongoing nerve pain.
Persistent sciatica can make sitting, walking, working and sleeping difficult. Cannabis-based medicines act on the body’s endocannabinoid system, which interacts with the body’s usual pain pathways.
For adults whose nerve-related pain continues after recognised options, a GMC-registered specialist can review your diagnosis, previous treatments and current medicines before deciding whether a prescription may be suitable.
Where sciatica pain persists despite standard options, a GMC-registered specialist can review your history and consider whether medical cannabis may help as part of your wider pain-management plan.
Effects can vary from person to person, which is why a GMC-registered specialist reviews your symptoms, goals, medicines and records before deciding whether treatment may be appropriate.
1
Eligibility screening
Tell us about your diagnosis, symptoms and treatments already tried. No GP referral is needed.
2
Specialist consultation
A GMC-registered specialist reviews your records, goals, current medicines and relevant risks by online video.
3
Decision and follow-up
When treatment is appropriate, outcomes and side effects are monitored and the plan is reviewed.
Evidence
What does the evidence say?
Limited (sciatica-specific); relates to persistent nerve pain
Sciatica usually improves over time. Evidence specific to sciatica is limited; relevance is to persistent nerve pain rather than treating the cause.
- Staying active, exercise and physiotherapy are recommended first.
- Most sciatica settles within weeks; medical cannabis is not a first step.
- Any role relates to persistent nerve pain after standard options.
Related support
Explore related sciatica support
These pages may help if symptoms overlap or you want to understand the wider specialist assessment pathway.
Safety
Possible side effects
Medical cannabis is prescribed under specialist supervision, and patient experience can vary. Your clinician will explain what to watch for and adjust your plan if needed.
- Decreased appetite or feeling sick
- Diarrhoea or weakness
- Dizziness or feeling very tired
- Behavioural or mood changes
They’ll usually ease on their own, but speak to your clinician if they don’t improve over time.
Questions
Sciatica FAQs
Clear answers on eligibility, suitability and legal prescribing in the UK.
Is medical cannabis legal for sciatica in the UK?
Medical cannabis has been legal to prescribe in the UK since November 2018, but only a specialist doctor on the GMC Specialist Register can prescribe it, and only when it is clinically appropriate. Eligibility does not guarantee a prescription.
Is medical cannabis a first-line treatment for sciatica?
No. Staying active, physiotherapy and standard pain relief are tried first. A specialist may only consider medical cannabis where these have not helped enough, and after a full assessment.
Do I need a GP referral to be assessed?
No GP referral is needed. You can complete a short online eligibility check yourself, and we will keep your GP informed where you would like us to.
Is an online assessment as reliable as in person?
Yes. Our structured video assessments follow the same recognised diagnostic standards used in face-to-face appointments, with the added convenience of being seen from home.
Will medical cannabis be prescribed if I am eligible?
Not necessarily. A prescribing decision is only made after a full clinical assessment, and treatment is not suitable for everyone.
Find out whether a specialist assessment may be suitable
Complete a short eligibility check. A prescribing decision can only be made after a full clinical assessment by a GMC-registered specialist.