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Seizures are the only visible symptom of epilepsy. There are different kinds of seizures, and symptoms of each type can affect people differently. Seizures typically last from a few seconds to a few minutes. You may remain alert during the seizure or lose consciousness. You may not remember what happened during the seizure or may not even realize you had a seizure.
Seizures that make you fall to the ground or make the muscles stiffen or jerk out of control are easy to recognize. But many seizures do not involve these reactions and may be harder to notice. Some seizures make you stare into space for a few seconds. Others may consist only of a few muscle twitches, a turn of the head, or a strange smell or visual disturbance that only you sense.