What to do when someone
has a seizure
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Usually
when a person has an epileptic seizure there is no need to call
an ambulance. However you should always dial 999 for an ambulance
if:
- it
is the person’s first seizure
- they
have injured themselves badly
- they
have trouble breathing after the seizure has stopped
- one
seizure immediately follows another with no recovery in between
- the
seizure lasts two minutes longer than is usual for them, or
- the
seizure lasts for more than five minutes and you do not know how
long their seizures usually last.
These
guidelines are particularly relevant for tonic clonic (convulsive)
seizures.
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Knowing
how to help someone during and after an epileptic seizure may help you,
and them, feel more confident if a seizure happens. How you can help the
person may depend on the type of seizures they have. If you know the person,
they may have told you about their epilepsy and how you can help them
if they have a seizure. If you don’t know about their epilepsy, this leaflet
gives you some general guidance on how you can help if they have a seizure.
Epileptic
seizures
The
brain is made up of millions of nerve cells which control the way we think,
move and feel. The nerve cells do this by passing electrical signals to
each other. In some people, these signals may suddenly be interrupted,
and this can cause an epileptic seizure (sometimes called a ‘fit’ or ‘attack’).
Are
all epileptic seizures the same?
There
are many different kinds of epileptic seizure. How epilepsy affects one
person can be different to how it affects someone else.
- Some
people have more than one type of seizure.
- Some
people only have seizures when they are awake.
- Some
people have nocturnal seizures. Nocturnal seizures happen when
the person is sleeping. The term does not explain what type of seizures
they are, only that they happen when the person is asleep.
- Some
people have seizures when they are awake and when they are asleep.
- Most
epileptic seizures happen suddenly, without warning, last a short time
(a few seconds or minutes) and stop by themselves.
- Injuries
can happen during a seizure, but most people do not hurt themselves
and do not usually need to go to hospital or see a doctor.
Types
of epileptic seizures and what to do
Epileptic
seizures can be divided into two main types: partial seizures and generalised
seizures. Seizures can vary from one person to another and how people
are affected and how they recover after seizures also varies.
More information about seizure types
Partial
seizures
In
partial seizures the seizure starts in, and affects, just part of the
brain. What happens during the seizure depends on where in the brain the
seizure happens and what this part of the brain does.
Simple
partial seizures
In a simple partial seizure (SPS) the person is conscious (awake) and
aware of what is happening to them. A SPS could be twitching of one limb
or part of a limb, an unusual smell or taste, a strange feeling such as
a ‘rising’ sensation in the stomach or ‘pins and needles’ in part of the
body or a sudden intense feeling of fear or joy.
What
to do during the seizure:
- although
the person is awake and aware, SPS can feel unsettling so giving gentle
reassurance may be helpful.
Complex
partial seizures
A
complex partial seizure (CPS) affects a bigger part of the brain than
SPS. In a CPS the person’s consciousness is affected and they may be confused.
You might notice them wandering around or behaving strangely and they
may not understand what they are doing. They may pick objects up for no
reason, fiddle with their clothes or make chewing movements with their
mouth. Afterwards, they may need to sleep; or they might be confused for
some time. CPS may last from a few seconds to a few minutes.
What
to do during the seizure:
- do
not restrain them as this may upset or confuse them
- gently
guide them away from dangerous situations (such as walking into the
road)
- as
they are likely to be confused, if you speak loudly or act forcefully
this may confuse them further and they may mistake your help for being
hostile, and respond in an upset or aggressive manner. Speak quietly
and calmly so that they are not startled.
After
the seizure stops:
- they
may feel tired and need to sleep
- they
may be confused and not fully aware of their surroundings so it may
help to remind them where they are
- stay
with them until they have recovered, and can safely return to what they
were doing before the seizure.
Some people recover quite quickly after their seizures, others may take
longer to feel back to normal again.
Secondarily
generalised seizures
For
some people SPS and CPS develop into a generalised seizure (see below).
When this happens the person becomes unconscious and will usually have
a tonic clonic seizure. This is called a secondarily generalised seizure
because it starts as a partial seizure and then becomes generalised. Some
people call their partial seizure an ‘aura’ or ‘warning’
because it warns them that a generalised seizure may follow.
What
to do during the seizure:
- if
they are aware of an aura or warning, they may need help to make themselves
safe before the generalised seizure happens.
Generalised
seizures
Generalised
seizures affect all of the brain at once. The person becomes unconscious
and afterwards will not remember what happened during the seizure.
Absences
(sometimes called petit mal)
During
an absence a person becomes unconscious for a short amount of time, usually
a few seconds. They may look blank and not respond to what is happening
around them. For example, if they are walking they may continue to walk,
but will not be aware of what they are doing during the absence. What
to do during the seizure:
- stay
with them, and if necessary, gently guide them away from any danger.
Tonic
and atonic seizures
In
a tonic seizure the person’s muscles suddenly become stiff. If they are
standing they often fall backwards and may injure the back of their head.
In an atonic seizure (sometimes called a drop attack) the person’s muscles
suddenly relax, and they become floppy. If they are standing they often
fall forwards and may injure their head. Tonic
and atonic seizures tend to be very brief and happen without warning.
People usually recover quickly.
What
to do after the seizure:
- as
they recover they may need reassurance. If they have been injured, they
may need medical help.
Myoclonic
seizures
Myoclonic
seizures involve the jerking of a limb or part of a limb. They are brief
and can happen in clusters with many happening close together in time.
They often happen shortly after waking up from sleep. As they are so brief,
there is nothing that needs to be done to help the person other than making
sure they haven’t hurt themselves.
Tonic
clonic (convulsive) seizures (sometimes called grand mal seizures)
When a person has a convulsive seizure they usually fall to the ground
and make shaking or jerking movements. During the seizure their breathing
might be affected and they may go blue, especially around their mouth.
They may also bite their tongue.
Although
this can be frightening to watch, these seizures are not usually a medical
emergency. Usually, once the jerking has stopped, the person recovers
and their breathing goes back to normal.
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