It is quite likely the pattern of fits will change since the time they first started. If she is having body jerks, head drops , or frequent eye blinking, then she might be suffering form Myoclonic Epilepsy, and Epilex would be the drug of choice. Obtaining an EEG will also help in determining which drug would be best. Carnitor is to block the carnitine deficiency that may occur in patients receiving Epilex. Hence, it is a safe medication.
You should be prepared that your neurologist will increase the dose of medications if the seizures increase or are not controlled. It may be possible, too, that he may want to use other medications or steroids if the jerks are uncontrolled and evolve into Infantile Spasms. At the same time, get a developmental and hearing assessment done.