Tremor become serious

Patient: Hello doctor. i’m a girl, 21 years old. i already have tremor about 4 years until now. for the first year, both of my hand are trembling, and sometimes i become afraid to give something to anyone using my hand. in third year, my body also shaking until i become uncomfortable to walk. my walking also not straight anymore. i used to fell during run, and realized that i could not felt my leg at that time. and now, my head also trembling, sometime but become often. i already have a blood test and the result is normal. what do you suggest for me to do? do i have to make medical check up to specialist?