hello and welcome to health care magic,
I am Dr Sriram Nathan, an ENT surgeon and I will try to help you out with you out with your problem.
You seem to be having an episode of giddiness which was treated as an inner ear
Since you do have ringing sound or tinnitus
in the ear along with giddiness, you may in all probability have the inner ear problem. Nevertheless you must do these:
1. take an audiometry
test including PTA and impedance and get back to me with the report.
2. If you still have giddiness then you may start a course of betahistine
16mg TID for two weeks in consultation with your doctor. This is along with the medication which you are already taking.
3. You may also try a tablet called the TINNICAR for your tinnitus.
4. If the tinnitus and giddiness persists then you must get an CT scan
of the temporal bones and get back to me or any ENT with the report
5. Google for VESTIBULAR REHAB EXERCISES and do them routinely
hope this helps
Dr Sriram Nathan