Thanks for writing to H.C.M. for your query.
I have gone through your query regarding constant plugging of ears and skull is very tender at the osterior part. You have this problem for last 3 months.
You have already examined by ENT specialist
and on physical examination you were found normal. Considering yoursymptoms it appears as you may be suffering from-
Thus you may get yourself examined for B.P., and do C.T.scan of paranasal sinuses
, to rule out the pathological facts which may be treated accordingly.