ENT or neuro problem. N other drugs!

My daughter have nerve hearing loss of around 50% in left ear alonhwith tinnitus since 10 years. On 2nd of this month she had put a drop of oil in left ear and on feeling uncomfortable visited ENT and latter put her in antibiotic for middle ear infection. Audiometry of the day was normal for right ear. Next day there was a slight discharged from left ear. Two three days later she have heavyness in he ad like some weight has put on but symptoms gone in next two three days. During the time she visited home and on 12th heavyness in head appeared again n visited ENT again who extended the treatment for 5 more days. On 16th she felt buzzing sound in right ear also and we visited another ENT and latter found mild hearing loss in right ear also n immediately put her on omnacortil. .on 17th audiometry was repeated and this time it was normal. she had 7.5 vit d3. heavyness still persists,should v consult neurophysician. presently no other complaint, taking 60000iu vit.d 3 n omna n other drugs