Welcome in H.C.M.
I have gone through your query regarding noise in left ear, loss of hearing and imbalance.
These all three symptoms are appears to be because of inner ear disease
. This triad of symptoms which you are having is a diagnostic of Meniere's disease.
This is a self limiting disease and it takes 2 to 4 weeks for complete recovery, in this period only symptomatic treatment is recmonded as you are taking
To confirm the diagnosis you may do-
(Pure tone & Impedance audiometry)
2- Vestibular function test.
3- Blood- CBC, ESR
, blood sugar (F & PP), Lipid profile
, serum uric acid.
By this much investigations and it's co-relation with clinical examination one may make the diagnosis that can be accordingly manage.