Tapering of anti epileptic medicines has to be done slowly, under supervision and with repeating MRI and EEG ideally.
A neurologist should do it in his presence.
Next Steps
If you're still having jerks, it is advisable to restart treatment as the risk benefit ratio of side effect to seizure greatly favors treatment.
Health Tips
focal seizures can convert to focal status epilepticus which is a medical emergency so get a workup and treatment.