What are seizures?
Seizures are abnormal movements or sensations which occur as a result of excessive activities of some parts of the brain. The manifestation depends on the part of the brain affected, for example, if the area affected is responsible for movement, abnormal movements like jerking may be observed. In severe cases, it leads to loss of consciousness.
When seizures occur repeatedly, it is called epilepsy. Occasionally, a doctor may make a diagnosis of epilepsy after a single seizure.

What causes seizures?
Seizures are caused by several factors which include damage to some parts of the brain following trauma, infections, seizures, tumors, birth injury and jaundice. Some drugs like tramadol and some antibiotics may precipitate a seizure.
Sometimes the tendency to have repeated seizure is inherited from parents just like heights and other traits could be inherited. Oftentimes it might be impossible to identify the cause of a seizure. The doctor will usually ask some questions, examine the patient and carry out some tests to identify the cause of seizures.

Are seizures contagious?
Seizures are not contagious, touching a person with seizures or the saliva does not cause seizures.

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source: http://medicalinfosblog..com.ng/2016/10/seizure-disorder-and-epilepsy_9.html

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