Epilepsy is a neurological disorder characterized by seizures caused by temporary disruptions in the brain's electrical activity. Is epilepsy genetic?

Genetic factors can contribute to some forms of epilepsy.

How Important Is the Genetic Contribution?

Not every form of epilepsy is inherited. A genetic cause may nevertheless be investigated when:

• there is a family history of epilepsy;
• seizures began at an early age;
• developmental delay is also present.

In some people, a variant in a single gene may be responsible. In others, genetic susceptibility and environmental factors may act together.

When Should Genetic Assessment Be Considered?

• When epilepsy has no identified cause
• When there is a relevant family history
• When seizures are resistant to treatment

Genetic testing may help identify the underlying cause and guide treatment planning.

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