The most likey possibility for your problem is periphral nerve problem , called as peripheral neuropathy
. You will require evaluation by a neurologist
and investigations like repeat nerve conduction tests, blood sugar, vitamin B12
level estimation, thyroid
and kidney function tests. All these tests will help us find out the exact cause of the problem so that we will be able to guide you better.
Hope this clarfies your query
Dr Gopal K Dash
Narayana Hrudayalaya Hospital, Bangalore, India