Yes, Tremors could be associated with fatigue, stress, anxiety or a form of panic attack. Other possible causes of tremors
could be overactive thyroid
, Parkinsonism disease, alcohol use, certain medications, alkalosis, and low blood sugar. Sometimes previous injury may cause pinched nerve and may be a reason of tremor but this possibility remains low. Therefore, it is quite essential to thoroughly assess the all possibilities here with the help of a doctor. Hope this helps.