Thank you for posting your query.
The commonest cause of involuntary shaking is anxiety
. So, this could be the case in you too.
Other common cause is essential tremors, where there generally is a family history.
A deficiency of vitamin B12
and excess of thyroid
hormone could be other causes. These can be tested in blood test
Dr Sudhir Kumar MD DM (Neurology)
Senior Consultant Neurologist