I faced ssnhl on 4 months back due to heavy cold in my right ear took oral steroids and one shot intra injection directly to eat , after one week my low frequency hearing came back to normal and high frequency affected, its managable now, from the onset tinnitus is there, 3 months I m taking ginko and vitamin supplements I feel tinnitus is  fading now my question in my case tinnitus is  permanent or It ll cure? High frequency I can manage  through hearing aid?