Epilepsy diagnosis and management
How a specialist works out whether your seizures are epilepsy, and the medicines and support used to reduce how often they happen.
✓ Medically reviewed by a GMC-registered consultant · last reviewed September 2026 · next review September 2027 · how we review
In short
- Epilepsy is diagnosed mainly from the story of your seizures, ideally with a witness account — EEG and MRI help but can be normal even when epilepsy is present.
- Treatment aims to reduce seizures with the fewest side effects; many people become seizure-free, but it can take dose changes or a second medicine.
- You must stop driving and tell the DVLA (or the DVA in Northern Ireland); you usually need 6–12 months seizure-free before a car licence can return.
- If you could become pregnant, medicine choice matters — sodium valproate carries serious risks — and good seizure control lowers the small risk of SUDEP.
A plain-English summary. The detail — including risks and recovery — is below.
At a glance
A general guide. Your specialist will give you advice for your situation.
A clearer explanation of what your episodes are, and whether they are epilepsy or something else
Starting anti-seizure medicine after a single seizure when the risk of recurrence is judged low and you prefer to wait — this is a shared decision.
The specialist gathers the history, may arrange an EEG or MRI, and discusses whether to start treatment. You may not get a firm diagnosis on day one.
A named epilepsy specialist nurse or clear contact route for advice between appointments.
The specialist gathers the history, may arrange an EEG or MRI, and discusses whether to start treatment. You may...
Medicine is usually started at a low dose and increased slowly. Early side effects such as tiredness or dizziness...
The aim is to find a dose that controls seizures with tolerable side effects. The dose may be adjusted, or the...
Reviews check seizure control, side effects, mood, memory, contraception and pregnancy plans. An epilepsy...
What is epilepsy diagnosis and management?
Epilepsy is a condition where someone tends to have repeated seizures. A seizure is a burst of unusual electrical activity in the brain. Seizures can look very different from person to person, from a brief blank stare to shaking, stiffening or falling.
A neurologist (a doctor who specialises in the brain and nerves) makes the diagnosis mainly from the story of what happened, ideally including an account from someone who saw it. Tests such as an EEG (a recording of the brain's electrical activity) and an MRI scan help, but they cannot, on their own, prove or rule out epilepsy. Many people with epilepsy have normal scans.
Management usually means anti-seizure medicine to make seizures less likely, plus advice on safety, driving, work, pregnancy and triggers. The aim is to control seizures with the fewest side effects, not to 'cure' the brain.
Getting the diagnosis right matters. Some episodes that look like epilepsy are caused by the heart, fainting or other conditions, and would need very different treatment.
Types, options & approaches
There may be different ways to do this. The right approach depends on the clinical question and your circumstances.
Options at a glance
These are the main approaches described in this guide. The right option depends on the diagnosis, your goals and what your clinician thinks is safe.
Focal seizures
Start in one part of the brain. You may stay aware, or awareness may change. Symptoms depend on the area involved and can include odd sensations, movements or confusion.
Generalised seizures
Involve both sides of the brain from the start. Includes tonic-clonic seizures (stiffening then shaking with loss of awareness) and absence seizures (brief lapses), among...
Anti-seizure medicine
The main treatment. The choice depends on seizure type, age, sex, other conditions and pregnancy plans. The aim is the lowest effective dose with fewest side effects.
Reviewing or changing treatment
If seizures continue, the specialist may adjust the dose, switch medicine or add a second one. Some people need referral to a specialist epilepsy centre.
Preparing for your treatment
- Write down exactly what happened before, during and after each episode, with dates and how long they lasted.
- Bring an account, or ideally a video, from someone who witnessed an attack — this is often the most useful information for the specialist.
- List all your medicines, supplements, alcohol and recreational drug use, as some lower the seizure threshold.
- Note any possible triggers, such as missed sleep, flashing lights, stress, illness or missed doses.
- Tell the specialist if you drive, operate machinery, or could become pregnant, as this affects advice and medicine choice.
- Bring details of any family history of seizures, heart problems or sudden death.
- Stop driving until you have spoken to your specialist and checked the driving rules — DVLA in England, Scotland and Wales, or DVA in Northern Ireland — see the cost and questions sections.
What happens
The neurologist takes a detailed history of your episodes and examines you. They will want a description from a witness if possible, because seizures are usually diagnosed from the account rather than a single test.
You may be offered an EEG, which records the brain's electrical activity using small sensors on the scalp; it does not hurt. A normal EEG does not rule out epilepsy, and a minor abnormality does not prove it. An MRI scan of the brain may be arranged to look for a structural cause, especially if seizures may start in one area.
If epilepsy is diagnosed, the specialist discusses whether and when to start medicine, weighing the chance of further seizures against side effects. They will also cover driving, safety, work, contraception and pregnancy.
Many decisions, such as which medicine and whether to start at all, are shared with you. You do not have to decide everything in one appointment.
Is this treatment right for me?
A good consultation should explore whether it's the right choice for you now — including reasons to wait or consider something else.
May not be suitable if…
- Starting anti-seizure medicine after a single seizure when the risk of recurrence is judged low and you prefer to wait — this is a shared decision.
- Starting sodium valproate in any new patient under 55, male or female, unless two specialists independently document that no other effective or tolerated treatment exists or that the reproductive risks do not apply — and, for anyone able to become pregnant, unless strict pregnancy-prevention conditions and specialist sign-off are met.
- Assuming episodes are epilepsy when the history points to fainting, a heart rhythm problem or non-epileptic attacks, which need different care.
- Relying on a normal EEG or MRI to rule epilepsy in or out.
Delay or rearrange if…
- The diagnosis is unclear and a witness account, video or further test would change the decision.
- There may be a heart cause for the blackouts that needs a cardiac assessment first.
- You are pregnant or planning pregnancy and medicine choice needs specialist review before any change.
- You are acutely unwell, for example with a possible brain infection, which needs urgent assessment rather than routine clinic.
- You cannot yet arrange safe support at home or transport if you are having frequent seizures.
Alternatives to discuss
- Watchful waiting after a single seizure, with safety advice, rather than immediate medicine in lower-risk cases.
- Lifestyle measures such as regular sleep, limiting alcohol and avoiding known triggers, alongside or before medicine.
- Referral to a specialist epilepsy centre, and assessment for epilepsy surgery or other treatments, if medicines do not control seizures.
- Ketogenic diet under specialist supervision in selected people, usually children.
- Care of an alternative diagnosis, such as cardiology for faints or psychological therapy for non-epileptic attacks.
Before you decide
Use this as a shared-decision checklist. The aim is not just “can this be done?”, but whether it is right for you, now, with the risks and alternatives clearly understood.
What matters most to me?
Think about symptoms, daily life, work, caring responsibilities, sport, fertility, travel, appearance and anxiety — the right choice depends on your priorities, not just the medical facts.
What are all my options?
Ask about waiting, monitoring, medicines, rehabilitation, a smaller or larger procedure, a different test, NHS referral, or a second opinion where that would help.
What would make me pause?
Active infection, pregnancy, unstable medical problems, smoking, medicines that increase bleeding, poor support at home, or feeling pressured are all reasons to slow down and get tailored advice.
What happens if I do nothing today?
For some problems, waiting is safe; for others, delay can make treatment harder. A good consultation should explain the trade-off in plain English.
Benefits
- A clearer explanation of what your episodes are, and whether they are epilepsy or something else
- A treatment plan aimed at reducing how often seizures happen
- Advice on staying safe, including water, heights, driving and work
- Honest information about driving rules, pregnancy and the small risk of epilepsy-related death so you can lower it
- Access to an epilepsy specialist nurse and support organisations
Risks & complications
- Side effects from anti-seizure medicine, such as tiredness, dizziness, mood changes or unsteadiness, especially when starting or increasing a dose
- Needing more than one appointment, or more than one medicine, before seizures are controlled
- Diagnostic uncertainty — tests can be normal even when epilepsy is present
- Loss of driving licence for a period, with effects on work and independence
- A medicine not working, or causing side effects that mean it has to be changed
- Interactions with other medicines, including some contraceptives
- Mood or memory problems that need their own support
- An initial diagnosis being revised as more information emerges
- Serious allergic or skin reactions to certain anti-seizure medicines
- Harm to a developing baby if certain medicines (especially sodium valproate) are taken in pregnancy
- Sudden unexpected death in epilepsy (SUDEP), which is rare but real and is reduced by good seizure control
- Injury during a seizure, such as from a fall, burn or drowning
The biggest issues to discuss are getting the diagnosis right, choosing a medicine that suits your seizure type and your pregnancy plans, and understanding driving rules and the small risk of SUDEP. Ask your specialist how to lower your personal risk, what to do if you have another seizure, and which symptoms mean you should seek urgent help.
Published figures to discuss
Outcomes vary widely with seizure type, cause and how well medicine is tolerated. Rates for medication side effects, seizure freedom and rare serious harms depend heavily on the individual, so figures should be treated as a guide, not a promise. The most important rare risk to discuss honestly is SUDEP.
| Figure | Reported range | How to interpret it | Source / confidence |
|---|---|---|---|
| Sudden unexpected death in epilepsy (SUDEP) | Around 1 in 1,000 people with epilepsy per year overall | Risk is higher with frequent tonic-clonic seizures, especially at night, and lower with good seizure control and taking medicine as prescribed. | NICE NG217 — Reducing the risk of epilepsy-related death (SUDEP)nice.org.ukPublished figure |
| Birth defects with sodium valproate in pregnancy | Around 1 in 9 (about 11%) of babies exposed | There is also roughly a 30-40% risk of neurodevelopmental problems, which is why valproate is avoided in people who could become pregnant unless strict conditions are met. | NICE NG217 — Reducing the risk of epilepsy-related death (SUDEP)nice.org.ukPublished figure |
| Normal EEG despite epilepsy | Common | Epilepsy diagnosis is clinical; a normal EEG does not rule it out. | Guide sourcesClinical context |
| Driving and safety impact | Clinically important | Seizure control, medication adherence and DVLA rules (DVA in Northern Ireland) should be discussed explicitly. | Guide sourcesClinical context |
These are literature figures, not a personalised prediction. Your own risks and likely benefits depend on your circumstances, your health, and how your care is carried out and followed up.
What happens afterwards
Epilepsy is managed over time rather than 'recovered' from. After diagnosis, the focus is on settling onto the right medicine, watching for side effects and side-stepping triggers, with reviews as things change.
- Some tiredness, dizziness or unsteadiness in the first weeks of a new medicine
- Needing dose changes before seizures settle
- A period without driving while you meet the DVLA rules (DVA in Northern Ireland)
- Mixed emotions, including worry or low mood, after a new diagnosis
- Regular blood tests for some medicines
Aftercare
- Take your medicine exactly as prescribed and try not to miss doses, as missed doses are a common cause of breakthrough seizures.
- Do not stop or change anti-seizure medicine suddenly without specialist advice, as this can trigger seizures.
- Keep a seizure diary, noting dates, type, length and any triggers, and bring it to reviews.
- Follow the driving rules and tell the DVLA about your seizures — or the DVA if you live in Northern Ireland — as you can be fined and it affects your insurance if you do not.
- Get enough sleep, limit alcohol, and recognise your personal triggers.
- If you could become pregnant, use reliable contraception and discuss any pregnancy plans with your specialist before stopping or trying.
- Make sure family or housemates know basic seizure first aid and when to call 999.
- Keep your follow-up appointments and ask for a review sooner if seizures change or side effects are troubling.
- Seizure diary or app set up
- A witness account or video of an episode where possible
- Full list of medicines, supplements and contraception
- Notes on sleep, alcohol and possible triggers
- Questions about driving and the DVLA (or the DVA in Northern Ireland) written down
- Pregnancy plans noted if relevant
- Specialist nurse or clinic contact number saved
⚠ Get urgent help if…
- A seizure lasting more than 5 minutes, or one seizure following another without recovery in between — call 999
- A first-ever seizure, or a seizure that is different from your usual pattern
- A seizure causing serious injury, or one in water
- Trouble breathing, a bluish colour, or not waking up properly after a seizure — call 999
- A new widespread rash, blistering, mouth ulcers or facial swelling after starting a medicine — seek urgent advice
- Thoughts of harming yourself, or a marked drop in mood after starting treatment
- A high temperature with a stiff neck, confusion or the worst headache of your life
Who to contact: your clinician, clinic or test provider first (keep their number to hand). For urgent advice when you can't reach them, call NHS 111. In an emergency, call 999.
General guidance — it doesn't replace the specific advice your specialist gives you.
Results & realistic expectations
A good outcome is usually a clear understanding of what your episodes are and good seizure control on a medicine that suits you. Many people with epilepsy become seizure-free on the first or second medicine they try, while others need more adjustment or referral to a specialist centre.
No test can guarantee you will not have another seizure, and a normal EEG or MRI does not rule epilepsy out. The diagnosis can sometimes be revised as more information appears, which is one reason a witness account and follow-up matter.
Epilepsy is often a long-term condition, though some people, especially certain childhood epilepsies, may eventually come off medicine under specialist guidance. Whether and when to try reducing medicine is an individual decision based on seizure type, how long you have been seizure-free, scan and EEG findings, and the impact on driving and daily life. Your plan should be reviewed as your circumstances, including pregnancy plans, change.
Related tests, treatments or support
Epilepsy care often sits alongside support for mood, memory, sleep and, where relevant, contraception and pregnancy planning. Some people also have a heart (cardiac) assessment if it is unclear whether episodes are seizures or faints. An epilepsy specialist nurse usually works with the neurologist to coordinate this.
Follow-up & long-term care
After diagnosis you should have regular reviews of seizure control, side effects, mood and pregnancy plans, with at least an annual structured review for many people. You should be able to contact an epilepsy specialist nurse between appointments, and be referred to a specialist epilepsy service if two suitable medicines have not controlled your seizures.
Repeat, follow-on and what comes next
- If the first suitable medicine does not control seizures, the specialist may adjust the dose, switch to another, or add a second.
- About a third of people have seizures that are hard to control with medicine and should be referred to a specialist epilepsy service.
- An initial diagnosis can be revised as more information, such as a video of an attack, becomes available.
- Reducing or stopping medicine after a seizure-free period is a careful, reversible decision that affects driving.
Ask what happens if the result is unclear or needs repeating, and what is included if further tests or follow-up are needed.
What good aftercare looks like
- A named epilepsy specialist nurse or clear contact route for advice between appointments.
- A written plan covering medicine, what to do after a seizure, and when to call 999.
- A structured review at least yearly, covering seizure control, side effects, mood, memory and pregnancy plans.
- Clear, written driving advice and a reminder of the duty to inform the DVLA (or the DVA in Northern Ireland).
- An honest discussion of SUDEP and practical steps to lower personal risk.
What affects the cost
Costs vary a great deal between people and providers, and we don't publish prices. What matters is understanding what drives the cost and making sure your quote is complete. The main things that affect it:
- Whether you need a single opinion or ongoing specialist follow-up
- The number and type of tests, such as EEG, sleep-deprived EEG, ambulatory EEG or MRI
- Whether an epilepsy specialist nurse and structured reviews are included
- The complexity of your case, for example difficult-to-control seizures needing tertiary referral
- Repeat appointments to adjust medicine and monitor side effects
- Blood tests required for some medicines
- Letters or reports for work, driving or insurance
- The specialist's fee for the first appointment and for follow-ups
- The cost of any EEG, MRI or other tests, and where they are done
- Whether reporting of scans and EEGs by a specialist is included
- Whether access to an epilepsy specialist nurse is included
- What happens, and what it costs, if you need repeat appointments or further tests
- Whether letters for the DVLA or DVA, work or insurance are included
- How urgent advice is provided between appointments
On the NHS? Epilepsy diagnosis and treatment are widely available on the NHS; people sometimes choose private care for a quicker first appointment or a second opinion, but driving rules and medicine safety apply equally.
You're entitled to your total cost in writing — including reports, follow-up and what happens if the result is inconclusive — before you decide.
Consent traps and marketing red flags
These are not small details. They are often where patients lose choice, time to reflect, or realistic expectations.
Consent traps
- Starting medicine without a clear discussion of why, the alternatives, and the option to wait after a single seizure.
- Prescribing sodium valproate to someone who could become pregnant without the required pregnancy-prevention programme and counselling.
- Overlooking that valproate restrictions now also cover men and any new patient under 55 — including two-specialist sign-off and advice on contraception for men who could father a child.
- Not explaining the driving rules and the legal duty to inform the DVLA (or the DVA in Northern Ireland).
- Avoiding an honest conversation about SUDEP, which patients have a right to know about.
- Not discussing how anti-seizure medicines can interact with contraception.
Marketing red flags
- Claims that a scan or EEG can definitively diagnose or exclude epilepsy on its own.
- Promises of a guaranteed 'cure' or seizure freedom from any single treatment.
- Downplaying driving restrictions or the need to tell the DVLA (or the DVA in Northern Ireland).
- Prescribing valproate to women of childbearing potential without the safety programme.
- Pressure to start an expensive private treatment without discussing standard NHS options.
Choosing a specialist safely
- Check the specialist is on the GMC Specialist Register for this area.
- Make sure they work at a CQC-registered service, and look for membership of the relevant Royal College or professional body.
- You're entitled to time to consider and to have your questions answered before you agree — the specialist who looks after you should explain it, not a salesperson.
- Be wary of pressure: time-limited offers or deposits taken before you've had time to think are red flags, not bargains.
- You're entitled to your total cost in writing — including any follow-up — before you decide.
Questions to ask your medical professional
Take this to your consultation. A good specialist will welcome every one of these.
- What type of seizures or epilepsy do you think I have, and how confident are you?
- What are the driving rules for me right now, and when might I be able to drive again?
- Which medicine are you suggesting, and why is it the best fit for my seizure type and circumstances?
- If I could become pregnant, which medicines are safer and what should I do before trying?
- What is my personal risk of SUDEP, and how can I lower it?
- What should I and my family do if I have another seizure, and when should we call 999?
- What happens if the first medicine does not work?
- Are you on the GMC Specialist Register for this area, and which Royal College or professional body are you a member of?
- Will you be the specialist who carries out my treatment, and who looks after me afterwards?
- What are the risks for someone like me, and how often do your own patients have a problem or need it repeated or redone?
- What does a realistic result look like — and what can this treatment not achieve?
- What are my options, including waiting, doing nothing for now, or choosing a different approach?
- Can I have written information, results and aftercare instructions in a format I can use, including any accessibility or communication support I need?
- What is the total cost in writing, including any follow-ups, and how much time do I have to decide?
Frequently asked questions
Can epilepsy be diagnosed from a single test?
When can I drive again?
Is epilepsy medicine safe in pregnancy?
I am a man taking sodium valproate — do the safety rules apply to me?
What is SUDEP?
Will I have to take medicine forever?
Can I have epilepsy care privately?
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How we made this page
Medically reviewed by a GMC-registered consultant. Written in plain English, checked against NHS, NICE, GMC and relevant Royal College / specialist-society guidance, and kept under review. No clinic paid to appear on this page, and we publish no pricing. This is general information to help you prepare — it is not a substitute for advice from your own clinician. How we review our guides →
Source hierarchy: UK regulator and NHS/NICE guidance first, then relevant Royal College or specialist-society guidance, then peer-reviewed evidence for procedure-specific figures where available.
Sources & standards: NICE NG217 — Epilepsies in children, young people and adults NHS — Epilepsy GOV.UK / DVLA — Epilepsy and driving MHRA — Valproate regulatory measures (under-55s) Epilepsy Action — SUDEP and epilepsy-related deaths NICE NG217 — Reducing the risk of epilepsy-related death (SUDEP) MHRA — valproate reproductive risks MHRA — valproate use in men (contraception precaution) DVLA — assessing fitness to drive (Great Britain) DVA Northern Ireland — telling the DVA about a medical condition
Reviews reflect patients' experience of care, not clinical outcomes. For procedure volumes and outcome data see PHIN.
Last medically reviewed 2026-09-21. Spotted something wrong or out of date? Report an error in this guide.
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