He was in a car accident a couple of years ago and hit his forehead. His dr thinks the seizures are because of the accident. Every couple of weeks his dr ups his dosage of dilantin. A couple of weeks ago his dosage was at 500mg three times a day. His level was still at 6.7, so he uped the dosage to 600mg three times a day. Is this normal to be taking 1800mg a day? This seems like a lot to me, but I dont know much about seizures & seizure medicine. Any information will help. Thanks