P D ??

I don't know why but recently, my body has been acting weird. I realized this when i was playing pool with my college mates. I was playing my 4th game that day and suddenly when i was about to break the table, my left hand started to shake, I thought it was nothing so i just continued playing. A day after the incident, i found myself in the kitchen practical class cutting some tomatoes. When i was dicing the tomato, suddenly the tremors came back and i almost cut my left index finger. I got scared and asked my friend if she sees the shaking in my left hand, Eventhough i was feeling the shaking, she said that there's nothing shaking. 4 days have passed after that incident and no tremors came. But i'm still scared that it might be something big. Is it PD ?? Should i go to the clinic?? What to do ??