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    Common Epilepsy Causes and Seizure Triggers

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    Epilepsy is a general term for the tendency to have seizures. Epilepsy is usually diagnosed only after a person has had more than one seizure.

    When identifiable, the causes of epilepsy usually involve some form of injury to the brain. For most people, though, epilepsy's causes aren't known.

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    Seizures and Epilepsy

    A seizure occurs when a burst of electrical impulses in the brain escape their normal limits. They spread to neighboring areas and create an uncontrolled storm of electrical activity. The electrical impulses can be transmitted to the muscles, causing twitches or convulsions.

    Causes of Epilepsy

    There are around 180,000 new cases of epilepsy each year. About 30% occur in children. Children and elderly adults are the ones most often affected.

    There is a clear cause for epilepsy in only a minority of the cases. Typically, the known causes of seizure involve some injury to the brain. Some of the main causes of epilepsy include:

    In up to 70% of all case of epilepsy in adults and children, no cause can be discovered.

    Causes of Seizures

    Although the underlying causes of epilepsy are usually not known, certain factors are known to provoke seizures in people with epilepsy. Avoiding these triggers can help you avoid seizures and live better with epilepsy:

    • Missing medication doses
    • Heavy alcohol use
    • Cocaine or other drug, such as ecstasy, use
    • Lack of sleep
    • Other drugs that interfere with seizure medications

    For about one out of every two women with epilepsy, seizures tend to occur more around the time of menstrual periods. Changing or adding certain drugs before menstrual periods can help.

    WebMD Medical Reference

    Reviewed by Neil Lava, MD on April 18, 2015
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