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Epilepsy: signs, diagnosis & outlook

What Are the Symptoms of Epilepsy?

Last updated 28 October 2026 · 10 min read · By Sarah M., Support Coordinator
In short

What are the symptoms of epilepsy? The main sign is repeated seizures, which are sudden, uncontrolled changes in the brain’s electrical signals. Seizures look different from person to person, from a few seconds of staring to a convulsion with loss of consciousness.

This guide is for people with epilepsy, families, carers and support workers. It explains what epilepsy looks like, what an aura and a deja vu feeling can mean, how seizure types differ and where to find support in Australia.

Key points

  • Seizures happen when there are sudden, uncontrolled changes to electrical signals in the brain, and epilepsy happens when a person has recurrent seizures.
  • Seizures are grouped as focal, generalised or unknown onset, and each group can look and feel very different.
  • Some people notice a warning before a seizure, called an aura, while others have none.
  • This guide cannot diagnose epilepsy, so see your GP if you notice possible seizures, and call 000 in an emergency.
Symptoms of epilepsy at a glance
Main signRecurrent seizures, which are sudden and uncontrolled changes in the brain’s electrical signals
Seizure groupsFocal, generalised and unknown onset (ILAE classification, 2017)
Absence seizureThe person stops what they are doing and loses consciousness for 5-30 seconds
Tonic-clonic seizureA generalised seizure with a sudden loss of consciousness
Where to startYour GP, if you notice possible seizures
EmergencyCall 000

What are the symptoms of epilepsy?

Epilepsy is a condition in which the brain’s electrical activity is interrupted again and again, causing seizures. healthdirect explains that seizures happen when there are sudden and uncontrolled changes to electrical signals in the brain, and that epilepsy happens when you have recurrent seizures (healthdirect).

Seizures do not all look the same, and focal seizures start in one small region of the brain. Our guide to what epilepsy is gives the full definition.

TermWhat it meansWhy it matters
SeizureA burst of abnormal electrical activity in the brainIt is the main sign of epilepsy
EpilepsyA tendency to have recurrent seizuresIt is the condition, rather than a single event
AuraA warning sensation that some people feel before a seizureNot everyone has one
Management planA written plan explaining what to do during a person’s seizureFamily and support workers can follow it

What does epilepsy look like?

Epilepsy can look like many different things, from a brief pause to a full-body convulsion. In 2017 the International League Against Epilepsy (ILAE) revised its classification into three groups, as described by Epilepsy Action Australia.

Seizure groupWhat it meansWhat it can look like
FocalStarts in one small region of the brainStaring, odd sensations, repeated movements or a change in awareness, depending on the region
GeneralisedAffects both sides of the brain from the startSudden loss of awareness, with or without stiffening and jerking
Unknown onsetIt is not clear where the seizure beganVaries

Two generalised seizure types are widely known. healthdirect describes the following.

  • Tonic-clonic (‘grand mal’) seizures cause a sudden loss of consciousness.
  • Absence (‘petit mal’) seizures make the person stop what they are doing and lose consciousness for 5-30 seconds.

Repeated blank spells are worth mentioning to a doctor.

Epilepsy signs and symptoms to be aware of

No checklist can confirm epilepsy. The signs below are reasons to see a doctor, not a diagnosis, and they can have other causes.

  • Suddenly stopping what they are doing and staring blankly for a short time.
  • A sudden loss of consciousness, with or without stiffening or jerking.
  • Repeated unusual movements or a change in awareness that the person does not recall.
  • Strange sensations that come and go.
  • Short periods of confusion or lost time that the person cannot explain.

Only a qualified professional can assess whether these signs mean epilepsy. You can read how doctors work this out in how epilepsy is diagnosed.

Aura epilepsy: aura symptoms and epilepsy deja vu

An aura is a feeling that some people notice before a seizure. Not everyone has one, and a doctor can explain what your own warning feeling means.

  • Some people describe a feeling of deja vu, where everything seems strangely familiar.
  • Others describe epilepsy aura symptoms such as an odd smell or taste, or another unusual sensation.
  • If you have a seizure management plan, check what it says to do when you notice your aura.
  • Write down what you felt and when, so you can describe it to your doctor.

A deja vu feeling on its own does not confirm epilepsy. If it is frequent, intense or followed by confusion, talk to your GP.

Looking for NDIS support at home?

TQN Care support workers help with personal care, community access, respite and help around the home across Sydney, Melbourne and surrounding areas (NSW & VIC). Tell us what you need and we will call you back.

Make a referral →

Mild epilepsy symptoms and epilepsy fits

Some seizures are brief and subtle, while others are dramatic.

DescriptionWhat people may notice
Mild epilepsy symptomsA short pause, a vacant stare, a twitch in one hand, or a strange feeling that passes within seconds or minutes
Epilepsy fits (convulsive seizures)Loss of consciousness with stiffening and jerking
Epilepsy episode with awareness changesThe person seems awake but does not respond normally or remember the event afterwards
  • Repeated episodes that look the same are worth writing down and discussing with a doctor.
  • If a seizure is happening, follow the person’s own seizure management plan and call 000 if you are worried or the plan says to.

How long do epilepsy seizures last?

Duration depends on the seizure type, and there is no single answer. An absence seizure lasts 5-30 seconds according to healthdirect, but other types can differ.

  • Follow the person’s seizure management plan, which should say how long is too long and when to call an ambulance.
  • If you do not have a plan, or a seizure seems different from usual, call 000.
  • Note the time the seizure started, because ambulance staff and doctors will ask.
  • Stay with the person until they are fully alert, and speak calmly and kindly.

Epilepsy effects: memory, mood and behaviour

Epilepsy can affect more than movement, and the effects differ between people. If you notice changes, record them and talk to your GP or neurologist rather than guessing at the cause.

Epilepsy and memory loss

  • People often do not remember a seizure itself, or the minutes around it.
  • Some people notice problems with memory or concentration, and a doctor can help work out why.
  • Ask your doctor to review memory concerns, and never stop or change medicine without advice from your GP or specialist.

Epilepsy and behaviour

  • Confusion after a seizure, or other changes in behaviour or mood, are worth recording and raising with your doctor.
  • If you feel overwhelmed, call Lifeline on 13 11 14, and call 000 if someone is in immediate danger.

Epilepsy in children, adults and later life

These guides cover epilepsy at different ages and related questions.

  • Childhood epilepsy covers what parents notice and how school and daycare can plan for seizures.
  • Epilepsy in adults explains whether you can develop epilepsy later in life.
  • Can epilepsy be cured looks at whether people grow out of epilepsy.
  • Seizure vs epilepsy explains why one seizure is not always epilepsy.
  • Epilepsy and other conditions covers links such as migraine and epilepsy.
  • Sudden unexpected death in epilepsy (SUDEP) explains a serious risk and the steps that may reduce it.

What causes seizures, triggers and medicine

Your specialist can explain what is behind your seizures and what treatment suits you, and these guides give background.

  • What can cause epilepsy covers known causes, and sometimes no cause is found.
  • Photosensitive epilepsy explains seizures triggered by flashing lights or patterns.
  • Epilepsy medication names describes how seizure medicines are used, and your doctor decides what is right for you.
  • Epilepsy management outlines the ways seizures are managed over time.
  • For another condition with movement signs, see cerebral palsy symptoms.

Epilepsy support in Australia and the NDIS

If you meet the NDIS access requirements, funded supports may include help at home, community access and supports for complex needs.

  • Ask your neurologist or GP for a letter that describes your seizures and how they affect daily life.
  • Read is epilepsy a disability to see how it is treated under disability and NDIS rules.
  • Find peer and community help through epilepsy support groups in Australia, such as Epilepsy Action Australia.
  • Ask about trained support workers if seizures can happen during personal care or outings, and see high intensity supports for complex needs.
  • Ask your provider how they will follow your seizure management plan on every shift.

When to talk to a GP or specialist

  • You or your child has had a seizure, or episodes of staring or lost time, for the first time.
  • Seizures are changing, happening more often or lasting longer than your plan says is usual.
  • You notice memory, mood or behaviour changes that are new or worrying.
  • You have questions about driving, work, medicine or pregnancy and need advice from your doctor.
  • You are unsure how to prepare for an NDIS access request or plan review.

Call 000 in an emergency.

Looking for NDIS support at home?

TQN Care support workers help with personal care, community access, respite and help around the home across Sydney, Melbourne and surrounding areas (NSW & VIC). Tell us what you need and we will call you back.

Make a referral →

Your next step

If epilepsy affects your daily life or a family member’s, practical support at home can help. TQN Care’s high-care and complex support services help people across Sydney, Melbourne and surrounding areas (NSW & VIC), with support workers who follow your seizure management plan. We do not provide medical treatment. Make a referral and we will call you to talk about what you need.

SM
Sarah M., Support CoordinatorTQN Care is a registered NDIS provider supporting people across Sydney, Melbourne and surrounding areas (NSW & VIC).
Common questions

FAQs about the symptoms of epilepsy

What does epilepsy look like? +

It varies widely. A seizure may look like a short blank stare, odd repeated movements, or a sudden loss of consciousness with stiffening and jerking. A doctor needs to assess what you saw.

What does epilepsy feel like? +

Some people feel nothing because they lose awareness. Others describe an aura beforehand, such as deja vu or an odd smell or taste. Feelings differ from person to person.

What are the symptoms of epilepsy? +

The main symptom is recurrent seizures. They may include staring, loss of awareness, convulsions, unusual sensations or confusion afterwards. Only a doctor can say whether these symptoms mean epilepsy, so describe them to your GP.

What are the effects of epilepsy? +

Beyond seizures, some people notice effects on memory, concentration or mood, and questions about work, study and driving often come up. Effects vary, so talk to your GP or neurologist about your own situation.

How long do epilepsy seizures last? +

It depends on the type. An absence seizure lasts 5-30 seconds according to healthdirect, but other types differ. Follow the person’s seizure management plan, note when the seizure started and call 000 if the plan says to or you are worried.

Does epilepsy affect memory? +

It can. People may not remember a seizure, and some notice memory or concentration problems. Ask your doctor to review it, and do not change medicine yourself.

References

Sources

  1. Seizures — healthdirect Australia
  2. Seizure types and classification — Epilepsy Action Australia
  3. Epilepsy Action Australia — Epilepsy Action Australia
  4. Epilepsy Foundation — Epilepsy Foundation
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