👉 An epileptic seizure is a type of medical condition that causes abnormal electrical activity in the brain. It can occur suddenly and without warning, causing seizures that are often accompanied by symptoms such as loss of consciousness, tremors, and sudden numbness or tingling sensations in the limbs. The exact cause of an epileptic seizure is not fully understood, but it is thought to be caused by a disturbance in the electrical activity of the brain cells.