Treatment For Muscle Convulsions On Knee

my right knee has convulsed for a month but no pain. i've used acupuncture methode ang acupuncture with water and take some medecine by doctor's description but it's not getting better. i went to another docter and she aksed me to take ECG and EMG test and use Depakine for 2 weeks. I'm afraid of that i got epilespy or not? Please tell me what is this disese? Thank you so much