I Have Mild Myasthanea Gravis Since 2years,with Left Eye Ptosis

I have mild Myasthanea gravis since 2years,with left eye ptosis for a week.Now it has stopped.I took MYESTNIN 60MG thrice for 14months and stopped since 10months as there was no eye drooping as per the advice of neurologist.I am diabetic for 20years,HT for 14years,hyperthyroid for 10years,left kidney not functioning and under TURP for enlarged prostrate twice.BP,SUGAR ,TSH ,PSA are under control with medication
About 15days back I had double vision and stopped after again taking MYESTININ since a week
I had problem of upper jaw stiffness for 5-6 months and now the upper lips are having slight shivering/shaking like but the sensation is there.The symptoms are more on the left side of face.
The MRI Of brain on 19.10.16 is normal
PLEASE ADVICE ME AS TO WHAT NEEDS TO BE DONE FOR THE FACIAL STIFFNESS AND UPPER LIPS ESPECIALLY ON THE LEFT SIDE.My email YYYY@YYYY
I am from Bangalore,INDIA