What Causes Dizziness After Taking Benadryl When Suffering From Epilepsy?

have epilepsey. on carbitrol, kepra, and lamictal. Also have back pain take opana for that. occacionally take OTC Benadril. Dizzy spells w/o warning. seizures under control. Pain managed . Concerned about dizzy spells all types of blood pannels have been done along with an ultrasound for Chest area only concern was some fat around liver weight is 240 height is 6 54 years old. What do you think I coulld do next re dixxy spells. neurolgist thinks migrain. had a spell on front of her she said that confirmed her diagnosis