my wife(56) suffering from vestibular dysfunction as said by local doctors.Symptoms are as follows: in early dawn when in sleep if she turns her head to the right on a pillow she feels a severe vertigo she feels that everything around her are rotating round her and she will be thrown away from the bed.She can turn her head towards roof but same symptoms prevail, only she gets relief if she completely turns her to the left.According to local ENT Specialist fluid in her right ear which balance signals to the brain has been dried up.A audiogram for PTA, Impedance ,SRT says Bil.High Frequency Hearing loss.A CT scan of brain says Mild aggregated degenerative cortical atrophy of the brain.She is taking 48mg bitahistin hydrochloride BP, 15 mg vinpocetine daily for last 8 months.She used to experience pain and a distant sound as if of running speed boat in her right ear which is now gradually dying. She has migraine for 25 years.We at a loss would please tell us what to do next?