A seizure is a brief, sudden change in behavior caused by abnormal electrical activity in the brain. When brain cells are not working properly, a person's consciousness, movement, or actions may be altered for a short time. These physical changes are called a seizure. Seizures affect people of all races and nationalities.
There a can be number of reasons why someone has a seizure. For example, many young children have convulsions from fevers
(see Febrile Seizures). These febrile convulsions are one type of seizure.
Another type of seizure includes those caused by an imbalance of body fluids or chemicals, such as low blood sugar in diabetics or by alcohol or drug withdrawal.
Other possible causes of a seizure may include:
- An infection of the brain
- Severe head injury
- Eclampsia
- Tumor
- Stroke
- Other medical conditions.
Although there are many
types of seizures, each with its own symptoms, it is wise to consult a doctor if you experience one or more of these possible symptoms of a seizure:
- Episodes of staring or unexplained periods of unresponsiveness
- "Blackouts" or periods of confused memory
- Involuntary movement of arms and legs
- "Fainting spells" with incontinence (or followed by excessive fatigue)
- Odd sounds, distorted perceptions, or episodic feelings of fear that cannot be explained.
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