Welcome to HCM,
You are having Dyskinesia
, and good part is it is well controlled with the eptoin
The duration of treatment depend on cause is it genetic or drug induced like drugs of parkinsonism or phenothiazine
If your abnormal movement is not there then continue your treatment and please visit a Neurologist
to examine and find out if the trial of drug free interval can be given or not.
Please do not stop the drug your self as it causes withdrawal.Please continue the dose as advised(300 mg) it may be for long duration if not lifelong.
When taking eptoin please maintain good oral hygiene
good clean and healthy gums.
Please take care.
Dr.Akhilesh Dubey M.D.