What Are the Stages of Seizures? (2024)

Seizures are caused by chemical changes in your body that affect the way your nerve cells talk to one another. This leads to sudden electrical activity inside your brain that can last a few seconds or several minutes. While there are many different types of seizures, they often follow the same pattern.

If you or someone you love has epilepsy or has seizures for another reason, understanding these stages may help you feel better prepared when one happens.

Prodrome

Some people with epilepsy say they can tell when a seizure is on the way. They may notice some signs, known as a “prodrome,” a few hours or even days before one starts.

Common prodrome symptoms include:

People who have tonic-clonic (once called grand mal) seizures seem more likely to have prodrome signs. These kinds of seizures affect both sides of your brain and cause convulsions and loss of consciousness.

Stage 1: Aura

This phase happens right before a seizure starts and is a warning that it is about to happen. The symptoms come on quickly and may only last a few seconds. If you have an aura, you may have:

  • Deja vu (a sense that something has happened before when it hasn’t)
  • Jamais vu (a feeling that you’re seeing something you know well for the first time)
  • Vision problems
  • Odd smells, sounds, or tastes
  • Dizziness
  • Numbness or “pins and needles” in parts of your body
  • Headache
  • Nausea
  • Panic
  • Feelings of intense fear

If you have an aura, you should try to get to a safe place before the seizure happens. Also, if you have an aura that doesn’t give way to the other stages of a seizure, you have what’s called a partial seizure.

Some people don’t have an aura at all. Their seizures start at the next, or “middle,” stage.

Stage 2: Middle (Ictal)

This stage is what likely comes to mind when you think of a seizure. During it, intense electrical changes happen in your brain.

Other people won’t notice some of your symptoms -- like feeling a gust of wind even though you’re inside, a sensation in your body, or hearing a buzzing in your ears. But you may have physical signs which others can see,

Some common signs of this stage are:

  • Loss of awareness (blacking out)
  • Feeling confused
  • Memory lapse
  • Trouble hearing
  • Odd smells or tastes
  • Hallucinations (seeing things that aren’t really there)
  • Seeing flashing lights
  • Trouble speaking
  • Drooling
  • Loss of muscle control
  • Twitching
  • Repeated movements like lip smacking or chewing
  • Body convulsions
  • Trouble breathing
  • Racing heart

Stage 3: Ending (Postictal)

During this final stage, your brain trying to get back to normal following the seizure. Your body begins to relax. The physical aftereffects of the seizure also set in.

The length of this stage will depend on the type of seizure you had and the parts of your brain that were involved. Some people start to feel better very quickly. For others, it can be a few hours before they feel back to their normal selves.

It’s common to have:

Once it’s over, many people don’t remember having a seizure.

If You See Someone Having a Seizure

Common myth says the person will swallow their tongue. This is untrue. If you see someone having a seizure, let the seizure happen. Make sure they are safe, but do not touch them unless they are in danger (such as being near water or possibly hitting their head). Do not put anything in their mouth.

When to Call a Doctor

Most of the time, seizures end on their own and aren’t cause for alarm. But reasons to seek medical help right away include:

  • The seizure lasts more than 5 minutes.
  • A second seizure starts right away.
  • You hurt yourself during your seizure.
  • You’re pregnant.
  • You have diabetes.
  • Your seizure might have been caused by heat exhaustion.
  • You’ve never had a seizure before.
  • The person doesn’t “come to” or isn’t breathing after the seizure ends.
  • The person has thrown up and may have breathed in some vomit.
  • The seisure is diffrent than ones previously experienced.

Seizures can be unsettling, but many people find that they’re able to control or stop them with medicine. Surgery,devices that stimulate nerves or detect seizures then stop them, and even diet changes are other ways to deal with them. Your doctor can work with you to find a treatment that helps.

What Are the Stages of Seizures? (2024)

FAQs

What are the stages of seizures? ›

Seizures take on many different forms and have a beginning (prodrome and aura), middle (ictal) and end (post-ictal) stage. These phases are described below. During the prodromal stage some people can tell when a seizure is on its way. They may notice some early signs hours or even days before the seizure starts.

What are the 4 stages of most generalized seizures? ›

The four phases of seizure are:
  • Prodromal.
  • Early ictal (the “aura”)
  • Ictal.
  • Postictal.

What are the 4 seizures? ›

The four main types of seizure are focal, generalized, focal and generalized combined, and unknown. The seizure type determines what kind of epilepsy a person has. Different types of seizures affect the brain in different ways.

What are the 3 basic classifications of seizures? ›

Therefore, seizures are classified into three:
  • Focal onset seizures, which are subsided into three subtypes: a) Retained awareness/impaired awareness. ...
  • Generalized onset seizures, which consist of motor or non-motor (absence) onset seizures.
  • Unknown onset seizures can be motor/non-motor or unclassified [12].
Sep 20, 2020

What is the first stage of a seizure? ›

Aura. The seizure may start with a simple or complex partial seizure known as an aura. The person may experience abnormal sensations such as a particular smell, vertigo, nausea, or anxiety. If the person is familiar with having seizures, they may recognize the warning signs of a seizure about to begin.

What is the 3rd stage of a seizure? ›

Phase 3: Post-ictal stage

The post-ictal stage happens after the seizure has ended. It is the recovery period in which people will feel the after-effects of a seizure. Symptoms of the post-ictal stage may include: weakness in the arms or legs.

How many levels of seizures are there? ›

There are two categories of seizures, based on where they start in the brain. Under those categories, there are many types. According to the National Institute of Neurological Disorders and Stroke (NINDS), doctors have discovered more than 30 different types of seizures.

What is the second stage of a seizure? ›

Stage 2: Middle (Ictal)

This stage is what likely comes to mind when you think of a seizure. During it, intense electrical changes happen in your brain. Other people won't notice some of your symptoms -- like feeling a gust of wind even though you're inside, a sensation in your body, or hearing a buzzing in your ears.

What are the stages of a clonic seizure? ›

Symptoms
  • Tonic phase. Loss of consciousness occurs. The muscles suddenly contract and cause the person to fall down. This phase tends to last about 10 to 20 seconds.
  • Clonic phase. The muscles go into rhythmic contractions. They alternately flex and relax. Convulsions usually last 1 to 2 minutes or less.
Dec 12, 2023

What is the deadliest type of seizure? ›

Status epilepticus happens when a seizure lasts for more than five minutes, or another seizure starts before you recover from the first. Status epilepticus is a life-threatening medical emergency and can cause permanent brain damage or death. Close to 98% of seizures last under five minutes.

What are the worst type of seizures? ›

Tonic-clonic (or grand mal) seizures: These are the most noticeable. When you have this type, your body stiffens, jerks, and shakes, and you lose consciousness. Sometimes you lose control of your bladder or bowels. They usually last 1 to 3 minutes -- if they go on longer, someone should call 911.

What is the most serious seizure? ›

Tonic-clonic seizures, previously known as grand mal seizures, are the most dramatic type of epileptic seizure. They can cause a sudden loss of consciousness, body stiffening and shaking. They sometimes cause people to lose control of their bladder or to bite their tongue. They may last for several minutes.

What could trigger a seizure? ›

Some common seizure triggers include:
  • missed medication.
  • sleep deprivation – being overtired, not getting enough sleep or not sleeping well.
  • stress.
  • infection or illness.
  • hormonal changes (puberty, menstruation, menopause)
  • dehydration.
  • low blood sugar.
  • alcohol or illicit drug use.

What is a drop seizure? ›

Atonic seizures are a type of seizure that causes sudden loss of muscle strength. These seizures are also called akinetic seizures, drop attacks or drop seizures. The sudden lack of muscle strength, or tone, can cause the person to fall to the ground. The person usually remains conscious, and may not always fall down.

How do you know if a seizure is serious? ›

Most seizures last from 30 seconds to two minutes. A seizure that lasts longer than five minutes is a medical emergency. Seizures can happen after a stroke or a head injury. They also may be caused by an infection such as meningitis or another illness.

Can you feel a seizure coming on? ›

An aura or warning is the first symptom of a seizure and is considered part of the seizure. Often the aura is an indescribable feeling. Other times it's easy to recognize and may be a change in feeling, sensation, thought, or behavior that is similar each time a seizure occurs.

What is the phase after a seizure? ›

The postictal state is a period that begins when a seizure subsides and ends when the patient returns to baseline. It typically lasts between 5 and 30 minutes and is characterized by disorienting symptoms such as confusion, drowsiness, hypertension, headache, nausea, etc.

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