Thanks for contacting HCM
You have sudden hearing loss
due to viral infection and treated by steroid
and after 8 days you still feel lightheaded but not dizzy, loud buzzing in ear.
These all finding suggestive of Sudden sensorineural hearing loss cause of this disease lies in inner ear
and inner ear also responsible for balancing. and most probably you dont have ruptured ear drum.
Dr Hariom Sharma