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.
All seizures are caused by abnormal electrical disturbances in the brain. Partial (focal) seizures occur when this electrical activity remains in a limited area of the brain. The seizures can sometimes turn into generalized seizures, which affect the whole brain. This is called secondary generalization. Partial seizures can be further characterized as: