What Is The Reason For Electrical Pulse Feeling In The Head?

iam 37 y \o my height 153 cm & my weight is 65 . i have to be diagnosed as vasiculitis due to auto anti body also iam a diabetic patient my doctor give me a ttt for 2 month & i finished my drugs know i feel some electrical pulses in my front head which is painful i want to if it is dangerous sign & what should i do & what is the sequela