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Cook Children's

Seizures

"Seizure" is a general term that refers to a sudden malfunction in the brain that causes someone to collapse, convulse, or have another temporary disturbance of normal brain function, often with a loss or change in consciousness.

If your child is experiencing seizures, the experienced neurology team at Cook Children’s is here to help determine what’s causing them and how to get them under control so that your child can enjoy being a kid to the fullest extent possible.

"We drive from out of state for the one of a kind care that we receive from the Cook Children's Neurology Department. Dr. Hernandez, specifically is remarkable, very informed, ahead of the game in treatment for seizures. He is kind, compassionate, friendly and takes time with us when we have to visit. He is a beacon of light for us in the treatment of our son's difficult to treat seizure disorder." – Shawn, parent of Cook Children's Neurology patient

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What is a seizure?

A seizure is a sudden flurry of electrical activity in the brain that affects how a person feels or acts. Some people have very mild seizures with no loss of consciousness, where only one small part of the body shakes, like the hand. Other people may have very sever seizures, losing consciousness, dropping to the ground and shaking violently. The latter can be very scary to witness. Still others may stare off into space and not be aware of their surroundings. The child or person having the seizure does not remember it afterwards.

When seizures occur more than once or over and over, it may indicate the ongoing condition epilepsy.

Some kids under 5 years old have febrile seizures, which can occur when they develop a medium or high fever — usually above 100.4° F (38° C). While terrifying to parents, these seizures are usually brief and rarely cause any life-threatening, serious, or long-term problems, unless the fever is associated with a serious infection, such as meningitis.

During a febrile seizure, a child's whole body may convulse, shake, and twitch, eyes may roll, and he or she may moan or become unconscious. This type of seizure is usually over in a few minutes, but in rare cases can last up to 15 minutes.

Febrile seizures stop on their own, while the fever continues until it is treated. Some kids might feel sleepy afterwards; others feel no lingering effects.

No one knows why febrile seizures occur, although evidence suggests that they're linked to certain viruses. Kids with a family history of febrile seizures are more likely to have one, and about 35% of kids who have had one seizure will experience another (usually within the first 1-2 years of the first). Kids who are younger (under 15 months) when they have their first febrile seizure are also at higher risk for a future febrile seizure. Most children outgrow having febrile seizures by the time they are 5 years old.

Febrile seizures are not considered epilepsy, and kids who've had a febrile seizure only have a slightly increased risk for developing epilepsy compared to the general population.

What to do during a febrile seizure

If your child has a febrile seizure, stay calm and:

When the seizure is over, call your doctor for an evaluation to determine the cause of the fever. The doctor will examine your child and ask you to describe the seizure. In most cases, no additional treatment is necessary. The doctor may recommend the standard treatment for fevers, which is acetaminophen or ibuprofen. But if your child is under 1 year old, looks very ill, or has other symptoms such as diarrhea or vomiting, the doctor may recommend some testing.

Get help right away from a health care provider if:

Febrile seizures can be scary to witness but remember that they're fairly common, are not usually a symptom of serious illness, and in most cases don't lead to other health problems. If you have any questions or concerns, talk with your doctor.

Breath holding

In kids under 5 years old, breath-holding spells can cause seizures. These aren't the spells where kids hold their breath to get back at their parents. Instead, these occur in kids who have an exaggerated reflex so that when they're hurt or emotionally upset they stop taking in a breath (with or without crying hard first). They then turn blue or very pale, often pass out, and might have a full convulsion-like seizure in which the body is stiff and they're unconscious and not breathing. While scary to parents, these spells usually stop on their own and the kids almost never suffer any harm from them. Call your doctor if such a spell occurs.

Fainting

In older kids, about 10% or more have standard fainting spells (also called syncope), which is often associated with a brief seizure or seizure-like spell. A child may stiffen or even twitch or convulse a few times. Fortunately, this rarely indicates epilepsy. Most kids recover very quickly (seconds to minutes) and don't require specialized treatment.

What causes them?

Most seizures are caused by abnormal electrical discharges in the brain or by fainting (decrease in blood flow to the brain).

Some seizures may be the result of another medical problem, such as:

They also can be due to anything that results in a sudden lack of oxygen or a reduction in blood flow to the brain. In some cases, a seizure's cause is never discovered.

Testing and diagnosis

Because there are so many causes of seizures, your doctor will begin with a very thorough medical history, including a family history. Your doctor will also ask for details about the seizure, when it occurred, how long is lasted, how many your child may have had, how your child acted during the seizure and any other details that can help him or her understand the cause.

Depending on the events surrounding your child’s seizure or seizures, your doctor will run testing, which may include any or all of the following:

How are seizures treated?

Your child's treatment plan will depend on the causes of her or his seizures. In some cases, there may be no cause so treatment may not be required, but your doctor may wish to monitor your child for a prescribed period of time.

Request appointment

We are here to help.

If your child has been diagnosed, you probably have lots of questions. Call our offices at: 682-885-2500 to schedule an appointment, refer a patient or speak to our staff.

 
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