seizure result meanings for patients

Overview

A seizure is a sudden, uncontrolled burst of electrical activity in the brain. It can cause changes in movement, behaviour, awareness, or feelings. Test results after a seizure help doctors understand what happened and why, and guide next steps.

Seizures are relatively common – about 1 in 10 people will have one in their lifetime. Epilepsy, where seizures recur without a clear trigger, affects about 1 in 100 people.

Seizures can happen at any age, but they are more common in young children and older adults. They affect people of all genders and backgrounds.

Symptoms

Common symptoms

• Sudden stiffening of the body (tonic phase)
• Jerking movements of arms or legs (clonic phase)
• Loss of awareness or consciousness
• Staring blankly for a few seconds
• Strange sensations like tingling, déjà vu, or unusual smells

Symptoms in children

• Brief staring spells that look like daydreaming
• Unusual crying, screaming, or fearful expressions
• Sudden falls without obvious cause

Symptoms in older adults

• Confusion or memory problems that may be mistaken for dementia
• Fainting or unexplained falls
• Subtle changes in behaviour or awareness

Causes

Main causes

• Epilepsy (a neurological disorder that causes recurrent seizures)
• High fever in children (febrile seizure)
• Head injury or brain infection (like meningitis)
• Stroke or brain tumour
• Severe metabolic imbalances (low blood sugar, low sodium)

Risk factors

• Family history of epilepsy
• Previous head injury or brain surgery
• Alcohol or drug misuse
• Sleep deprivation or high stress

When to see a doctor

See a doctor urgently if:

• First seizure of any kind – see a doctor within a few days
• Seizure in a person with known epilepsy that is different or more severe than usual

Book a routine appointment if:

• If you have had one or more seizures and have not been evaluated
• If you are taking medication for seizures and have side effects or breakthrough seizures

Diagnosis

Your doctor will take a detailed history of what happened before, during, and after the seizure. They may also talk to witnesses. Several tests can help find the cause and guide treatment.

Tests that may be done

• Electroencephalogram (EEG) – records brain wave patterns to see if there is unusual electrical activity.
• Magnetic resonance imaging (MRI) – takes detailed pictures of the brain to look for structural problems.
• Blood tests – check for infections, metabolic imbalances, or toxins.
• Sometimes a CT scan or spinal tap (lumbar puncture) is done if infection or bleeding is suspected.

What to expect at your appointment

You may be asked to stay in hospital for observation or to have an EEG that records brain waves for a few days. Results often take days to weeks to come back. Your doctor will explain what each test result might mean for you, such as whether there is a treatable cause or if epilepsy is likely.

Treatment

Treatment depends on the cause of the seizure and whether seizures are likely to happen again. The goal is to stop seizures while keeping side effects low.

Self-care at home

• Get enough sleep – lack of sleep can trigger seizures.
• Avoid alcohol in large amounts or stop using street drugs.
• Keep a seizure diary to track triggers and patterns.
• Wear a medical alert bracelet or ID if you have epilepsy.

Medical treatments

Doctors may prescribe medicines that help control the electrical activity in the brain. These are called antiseizure medications. They are started at a low dose and adjusted slowly. Always take them exactly as prescribed. If one medicine does not work well, another may be tried. Sometimes a combination is used.

When is surgery considered?

If seizures are caused by a small, removable area in the brain (like a scar or tumour) and medicines do not help, surgery may be an option. This is decided after thorough testing.

Living with this condition

Most people with seizures can live full, independent lives. It is important to work with your healthcare team to find the right treatment. You may need to avoid driving until your seizures are controlled (laws vary by country).

Lifestyle tips

• Establish a regular sleep schedule.
• Manage stress with relaxation techniques like deep breathing.
• Tell family, friends, and co‑workers about your condition and what to do in a seizure.

Diet and exercise

A balanced diet is important. Some people find that a special diet called the ketogenic diet (high fat, low carbohydrate) can help reduce seizures, but it must be done under medical supervision. Regular exercise is safe and beneficial for most people, but avoid dangerous activities like climbing or swimming alone.

Mental health and emotional wellbeing

Having seizures can be worrying and can affect your mood and confidence. Many people experience anxiety or depression. It is important to talk to your doctor if you feel this way – support and treatment are available.

Prevention

You cannot always prevent a first seizure, but you can reduce the risk of another one by following treatment, avoiding known triggers, and living healthily.

Complications

If left untreated

• Recurrent seizures may lead to injury (falls, burns, or accidents).
• Status epilepticus (a prolonged seizure) is a medical emergency and can cause brain damage.
• Untreated epilepsy can affect memory, learning, and quality of life.

Long-term outlook

With proper treatment, most people with seizures can achieve good control and live normally. Many children outgrow their seizures. There are effective therapies and strong support networks to help you manage your condition.

Find support

External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.