What Are Epileptic Seizures?
An epileptic seizure occurs when there is a sudden burst of abnormal electrical activity in the brain. The effects of a seizure depend on which part of the brain is affected and how widely the electrical activity spreads. The Signs and Symptoms of Epilepsy can vary significantly between individuals, with some experiencing loss of consciousness and convulsions, while others may have brief confusion, unusual sensations, staring episodes, or involuntary movements.
Focal Seizures (Partial Seizures)
Focal seizures begin in one specific area of the brain.
Focal Aware Seizures
During a focal aware seizure, the person remains conscious and aware of their surroundings.
Common symptoms include:
- Tingling sensations
- Sudden feelings of fear or anxiety
- Changes in taste or smell
- Muscle twitching
- Visual disturbances
These seizures may last only a few seconds or minutes but can sometimes act as a warning sign
before a more severe seizure develops.
Focal Impaired Awareness Seizures
With these seizures, awareness becomes altered or impaired.
A person may:
- Appear confused
- Stare blankly
- Repeat movements such as lip-smacking
- Wander aimlessly
- Be unable to respond normally
Following the seizure, they may have little or no memory of what occurred.
Generalised Seizures
Generalised seizures affect both sides of the brain from the start.
Tonic-Clonic Seizures
Previously known as grand mal seizures, these are among the most recognised seizure types.
Symptoms typically include:
- Loss of consciousness
- Body stiffening (tonic phase)
- Rhythmic jerking movements (clonic phase)
- Possible loss of bladder control
- Post-seizure confusion and tiredness
Many people searching for epileptic fits, convulsive seizures,
or seizure first aid are referring to tonic-clonic seizures.
Absence Seizures
Absence seizures are more common in children but can affect adults.
Signs include:
- Brief staring episodes
- Sudden pauses in activity
- Rapid blinking
- Lack of awareness lasting a few seconds
These seizures can occur multiple times a day and are often mistaken for daydreaming.
Myoclonic Seizures
Myoclonic seizures involve sudden, brief muscle jerks.
Common characteristics include:
- Quick arm or leg movements
- Sudden body jerks
- Usually preserved awareness
- Often occurring shortly after waking
Atonic Seizures
Atonic seizures cause a sudden loss of muscle tone.
A person may:
- Collapse unexpectedly
- Drop objects
- Experience head nodding
- Suffer injuries from falls
Protective measures are often necessary for individuals experiencing frequent atonic seizures.
When Is Emergency Treatment Needed?
Most seizures stop naturally within a few minutes. However, emergency assistance may be required
when:
- A seizure lasts longer than five minutes
- Multiple seizures occur without recovery
- Breathing difficulties develop
- Serious injury occurs
- The individual requires Buccal Midazolam administration
- It is the person's first known seizure
Prompt recognition and response can help prevent complications and support better outcomes.
Why Understanding Seizure Types Matters
Recognising the various types of epileptic seizures allows carers and healthcare professionals to provide safer, more effective support. Different seizure types require different approaches, monitoring, and care plans. Understanding seizure classifications can also help individuals How to Recognise a Seizure more quickly and respond appropriately in different situations.
Understanding seizure patterns also helps improve communication with healthcare teams, supports accurate reporting, and contributes to better epilepsy management.
Continue Learning About Epilepsy and Buccal Midazolam
You can also learn practical seizure management skills through our Epilepsy
and Buccal Midazolam Training Course, designed for carers, support workers,
healthcare professionals, and organisations working in health and social care settings.
Frequently Asked Questions
Epileptic seizures are generally classified as focal seizures, which start in one area of the brain, and generalized seizures, which affect both sides of the brain from the onset.
Focal seizures begin in a specific part of the brain and may affect awareness, while generalized seizures involve both sides of the brain and often result in loss of consciousness.
A focal seizure may cause unusual sensations, involuntary movements, confusion, staring, or changes in emotions and behaviour, depending on the area of the brain affected.
A tonic-clonic seizure is a type of generalized seizure that causes muscle stiffening, loss of consciousness, and rhythmic jerking movements of the arms and legs.
Yes. Some individuals with epilepsy may experience more than one type of seizure, which is why accurate diagnosis and treatment are important.
Healthcare professionals diagnose seizure types using medical history, eyewitness accounts, neurological examinations, and tests such as EEGs and brain scans.
