Should Shaking In Body Be Due To Post Concussion Syndrome?

Hi,I've been diagnosed with post concussion syndrome,I seen a neurologist one time a few weeks ago,she prescribed me prednisone,6 day pack,my last dose was 3 weeks ago and I can not stop shaking,I had a ct scan on my neck,they said was forming in the opposite direction?Idk what to do,I think I'm misdiagnosed the symptoms have been coming for 7 months,I'm scared and want to get better,any suggestions?