Everything you need to know about convulsions

Children
A convulsion is a general term that people use to describe uncontrollable muscle contractions. Some people may use it interchangeably with the word “seizure,” although a seizure refers to an electrical disturbance in the brain.

Seizures may cause a person to have convulsions, but this is not always the case.

In this article, learn more about what convulsions are, as well as their possible underlying causes.

What are convulsions?

A convulsion occurs when a person’s muscles contract uncontrollably. They can continue for a few seconds or many minutes.

Convulsions can happen to a specific part of a person’s body or may affect their whole body.


Causes

Several different conditions can cause convulsions, including:

Epileptic seizures

Doctor speaking to patient in office while showing them a tablet
Convulsions are a common symptom of epilepsy.

According to the Epilepsy Foundation, epilepsy is a condition that causes a person to experience many seizures.

Seizures are electrical disturbances in the brain. There are many different types of seizure, which each have different symptoms.

Sometimes, epileptic seizures can cause a person to experience convulsions. The most common type is called tonic-clonic seizures. “Tonic” means stiffening while “clonic” means jerking. These movements describe the primary characteristics of the seizure.

In addition to convulsions, a person may also make a groaning noise as air travels forcefully past their vocal cords.

Many people think of convulsions when they refer to epileptic seizures, but some seizures do not result in convulsions.

For example, an absence seizure is when a person remains motionless and unresponsive during an electrical disturbance in the brain.

Febrile seizures

According to the National Institute of Neurological Disorders and Stroke (NINDS), febrile seizures can affect children between the ages of 6 months and 5 years who are experiencing a fever.

Febrile seizures cause convulsions that typically last up to 5 minutes.

The majority of febrile seizures do not have any lasting negative impact on a child. They are generally harmless and do not require treatment.

However, if the seizure goes on for more than 5 minutes, or if the child does not recover quickly, it is essential to call an ambulance.

Non-epileptic seizures

Emotional stress can cause seizures .
Emotional stress can cause seizures.

According to the NINDS, non-epileptic seizures are seizures that appear to be epilepsy but are not due to electrical disturbances in a person’s brain.

Doctors believe non-epileptic seizures are “psychogenic” illnesses. This means they occur due to mental or emotional stress. For this reason, doctors sometimes refer to them as “psychogenic non-epileptic seizures.”

Doctors often recommend psychological therapies, such as cognitive behavioral therapy, to help treat non-epileptic seizures. These treatments help a person manage the underlying stress causing the seizures.

Paroxysmal kinesigenic dyskinesia

According to the National Centre for Advancing Translational Sciences (NCATS), paroxysmal kinesigenic dyskinesia (PKD) is a rare condition that causes convulsions.

PKD seizures typically happen after a person experiences a sudden motion, such as being startled or standing up.

The convulsions typically last less than 5 minutes but can last longer in some cases. A person will usually experience fewer episodes as they get older.

It is a genetic condition, which means a parent can pass it on to their children.

Research has found that anticonvulsant drugs, such as carbamazepine are an effective treatment for PKD.

Medication reactions

In rare cases, certain medications can cause epileptic seizures with convulsions. The Epilepsy Foundation provides an extensive list of toxins and drugs that could trigger epileptic seizures.

Migraines

There is some evidence that migraines may lead to epileptic seizures. This is called migralepsy.

However, other research disputes this understanding of migralepsy. More research is necessary to help determine whether migralepsy is a distinct condition.

What to do if a person is experiencing convulsions

Child on bed with epileptic seizures and convulsions placed in the recovery position.
Placing a person experiencing convulsions on their side can assist their breathing.

According to the Centers for Disease Control and Prevention (CDC), if a person is experiencing convulsions over most of their body, there are various first-aid practices someone can do to help them.

These include:

  • placing them on the floor so they do not fall and hurt themselves
  • putting them onto their side so they can breathe easier
  • clearing the area of hard or sharp objects
  • placing something soft and flat under their head
  • removing their glasses
  • loosening or removing anything around their neck, such as a tie or a necklace
  • calling an ambulance if the seizure continues for more than 5 minutes


Outlook

If a person is experiencing convulsions, the first thing to do is to make sure they are safe. If the convulsions do not stop after 5 minutes, call an ambulance.

If convulsions happen regularly, it is vital to speak to a doctor to determine the underlying cause.

Some conditions that cause convulsions will pass with age, while others require medication to reduce their occurrence. In either case, a doctor will work with someone to develop an individualized treatment plan.

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