Secondarily Generalized Seizures

August 8, 2011

Secondarily generalized seizures are usually partial seizures evolving into generalized seizures, most often with tonic-clonic convulsions. The partial seizures, which were once limited to one hemisphere of the brain, progress to encompass the entire brain bilaterally. This causes a generalized seizure. The clinical nature of a secondarily generalized seizure usually does not differ from that of the initial, originating seizure.

Secondarily generalized seizures are predominant in 16 per cent of all children and 9 per cent of all adults with seizure disorders. Most people with complex partial seizures and many with simple partial seizures will experience a secondarily generalized seizure at some point. When they occur frequently, the chances for future partial seizures may be increased.

Secondarily generalized seizures occur infrequently and are easily controlled by anti-epileptic medication.

Click here to learn about other types of seizures.

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