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The two issues - in your case - appear to be unrelated to each other.
The body's balancing mechanism is in the inner ear
. An ENT (Ear Nose Throat) specialist is the one to assess - especially in the presence of tinnitus
. They have special tests to confirm the contribution of the ear - which probably is the case with you.
If there are no clues, you have to be followed up by a neurologist
Wishing speedy recovery