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Seizures
A seizure is a sudden, uncontrolled burst of electrical activity in the brain. It can cause changes in behavior, movements, feelings and levels of consciousness. Having two or more seizures at least 24 hours apart that don't have a known cause is considered to be epilepsy.
There are many types of seizures, and they have a range of symptoms and severity. Seizure types vary by where they begin in the brain and how far they spread. Most seizures last from 30 seconds to two minutes. A seizure that lasts longer t...
When to seek medical or mental health expertAlways seek the advice of your physician or other qualified health provider with any questions you may have regarding your health. Never disregard professional medical advice or delay in seeking it because of something you have read on the community.Symptoms vary based on the type of seizure. They also can range from mild to severe. Seizure symptoms may include:
- Temporary confusion.
- A staring spell.
- Jerking movements of the arms and legs that can't be controlled.
- Loss of consciousness or awareness.
- Cognitive or emotional changes. They may include fear, anxiety or a feeling that you've already lived this moment, know...
Nerve cells in the brain, known as neurons, create, send and receive electrical impulses. This allows the cells to communicate. Anything that disrupts the communication pathways can lead to a seizure. Some types of seizures may be caused by genetic changes.
The most common cause of seizures is epilepsy. But not every person who has a seizure has epilepsy. Sometimes seizures may be caused or triggered by:
- A high fever. When this happens, the seizure is known as a ...
Personal safety
Seizures don't usually result in serious injury, but if you have recurrent seizures, injury is a possibility. These steps can help you avoid injury during a seizure:
- Take care near water. Don't swim alone or ride in a boat without someone nearby.
- Wear a helmet for protection during activities such as bike riding or sports participation.
- Take showers instead of baths unless someone is near you....
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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