Anti-: Prefix generally meaning against, opposite or opposing, and contrary.. In medicine, anti-often connotes counteracting or effective against as in antibacterial, anti-infective, and antiviral. Sometimes medical terms containing anti-take on new meanings as has occurred with antibiotic and antibody.
1 Epilepsy is also associated with a variety of developmental and metabolic disorders. 2  Other causes include head injury, prenatal injury, and poisoning.  Triggers for seizures include lack of sleep, alcohol consumption, stress, or hormonal changes associated with the menstrual cycle.
Which causes are most common depend on when seizures start: 1  Before age 2: High fevers or temporary metabolic abnormalities, such as abnormal blood levels of sugar (glucose), calcium, magnesium, vitamin B6, or sodium, can trigger one or more seizures. Seizures do not occur once the fever or abnormality resolves.