Suggest Remedy For Tinnitus In Right Ear With History Of Vestibular Schwannoma

sir i was done a operation on 2004 of right vestubalur schownouma, i have lost right ear ,i am getting tenetius sound in right ear from past 10 years some time when i travel and seat near Air conditioner the sound goes up how should i decrese it, the local physician give me bilovas ,kindly advice\