Diziness from last 3 years come and go.

I have left ear hearing problem from 10 years, From last 3 years I was feeling dizziness , consulted a nuero doctor did some tests mri and CT scan and bcz of sinusitus doctor has done operation on clearing the sinusitus. Even after that also after some time I was feeling dizziness , consulted ent doctor in Bangalore madam suggested to do some tests as mri ,ct, neck tests and finally she conveyed that nothing to worry no tumor like that , it is because of hearing loss. Now please help me even now also I feel dizziness every 3 months once and it will stays for 2 weeks , how to get rid of it. Please help me. Recently conuslted a ent specialist in practo sir has suggested vertin8mg for one week and after that sir told he will recommended some excersices.